17921431444

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2\times {\mathrm{191}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 38730553344

約数和(自身を除く): 20809121900

約数列:

[1, 2, 4, 7, 14, 28, 37, 41, 47, 74, 82, 94, 148, 164, 188, 191, 259, 287, 329, 382, 518, 574, 658, 764, 1036, 1148, 1316, 1337, 1517, 1739, 1927, 2209, 2674, 3034, 3478, 3854, 4418, 5348, 6068, 6956, 7067, 7708, 7831, 8836, 8977, 10619, 12173, 13489, 14134, 15463, 15662, 17954, 21238, 24346, 26978, 28268, 30926, 31324, 35908, 42476, 48692, 49469, 53956, 54817, 61852, 62839, 71299, 81733, 90569, 98938, 109634, 125678, 142598, 163466, 181138, 197876, 219268, 251356, 285196, 289747, 326932, 332149, 362276, 368057, 421919, 499093, 572131, 579494, 633983, 664298, 736114, 843838, 998186, 1144262, 1158988, 1267966, 1328596, 1472228, 1687676, 1996372, 2028229, 2288524, 2325043, 2535932, 2576399, 2953433, 3351053, 4056458, 4650086, 5152798, 5906866, 6702106, 8112916, 9300172, 10305596, 11813732, 13404212, 13618109, 15611003, 17298679, 23457371, 27236218, 31222006, 34597358, 46914742, 54472436, 62444012, 69194716, 93829484, 95326763, 109277021, 121090753, 190653526, 218554042, 242181506, 381307052, 437108084, 484363012, 640051123, 1280102246, 2560204492, 4480357861, 8960715722, 17921431444]

約数ペア:

[(1, 17921431444), (2, 8960715722), (4, 4480357861), (7, 2560204492), (14, 1280102246), (28, 640051123), (37, 484363012), (41, 437108084), (47, 381307052), (74, 242181506), (82, 218554042), (94, 190653526), (148, 121090753), (164, 109277021), (188, 95326763), (191, 93829484), (259, 69194716), (287, 62444012), (329, 54472436), (382, 46914742), (518, 34597358), (574, 31222006), (658, 27236218), (764, 23457371), (1036, 17298679), (1148, 15611003), (1316, 13618109), (1337, 13404212), (1517, 11813732), (1739, 10305596), (1927, 9300172), (2209, 8112916), (2674, 6702106), (3034, 5906866), (3478, 5152798), (3854, 4650086), (4418, 4056458), (5348, 3351053), (6068, 2953433), (6956, 2576399), (7067, 2535932), (7708, 2325043), (7831, 2288524), (8836, 2028229), (8977, 1996372), (10619, 1687676), (12173, 1472228), (13489, 1328596), (14134, 1267966), (15463, 1158988), (15662, 1144262), (17954, 998186), (21238, 843838), (24346, 736114), (26978, 664298), (28268, 633983), (30926, 579494), (31324, 572131), (35908, 499093), (42476, 421919), (48692, 368057), (49469, 362276), (53956, 332149), (54817, 326932), (61852, 289747), (62839, 285196), (71299, 251356), (81733, 219268), (90569, 197876), (98938, 181138), (109634, 163466), (125678, 142598)]