19319200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 52496640

約数和(自身を除く): 33177440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 41, 50, 62, 76, 80, 82, 95, 100, 124, 152, 155, 160, 164, 190, 200, 205, 248, 304, 310, 328, 380, 400, 410, 475, 496, 589, 608, 620, 656, 760, 775, 779, 800, 820, 950, 992, 1025, 1178, 1240, 1271, 1312, 1520, 1550, 1558, 1640, 1900, 2050, 2356, 2480, 2542, 2945, 3040, 3100, 3116, 3280, 3800, 3895, 4100, 4712, 4960, 5084, 5890, 6200, 6232, 6355, 6560, 7600, 7790, 8200, 9424, 10168, 11780, 12400, 12464, 12710, 14725, 15200, 15580, 16400, 18848, 19475, 20336, 23560, 24149, 24800, 24928, 25420, 29450, 31160, 31775, 32800, 38950, 40672, 47120, 48298, 50840, 58900, 62320, 63550, 77900, 94240, 96596, 101680, 117800, 120745, 124640, 127100, 155800, 193192, 203360, 235600, 241490, 254200, 311600, 386384, 471200, 482980, 508400, 603725, 623200, 772768, 965960, 1016800, 1207450, 1931920, 2414900, 3863840, 4829800, 9659600, 19319200]

約数ペア:

[(1, 19319200), (2, 9659600), (4, 4829800), (5, 3863840), (8, 2414900), (10, 1931920), (16, 1207450), (19, 1016800), (20, 965960), (25, 772768), (31, 623200), (32, 603725), (38, 508400), (40, 482980), (41, 471200), (50, 386384), (62, 311600), (76, 254200), (80, 241490), (82, 235600), (95, 203360), (100, 193192), (124, 155800), (152, 127100), (155, 124640), (160, 120745), (164, 117800), (190, 101680), (200, 96596), (205, 94240), (248, 77900), (304, 63550), (310, 62320), (328, 58900), (380, 50840), (400, 48298), (410, 47120), (475, 40672), (496, 38950), (589, 32800), (608, 31775), (620, 31160), (656, 29450), (760, 25420), (775, 24928), (779, 24800), (800, 24149), (820, 23560), (950, 20336), (992, 19475), (1025, 18848), (1178, 16400), (1240, 15580), (1271, 15200), (1312, 14725), (1520, 12710), (1550, 12464), (1558, 12400), (1640, 11780), (1900, 10168), (2050, 9424), (2356, 8200), (2480, 7790), (2542, 7600), (2945, 6560), (3040, 6355), (3100, 6232), (3116, 6200), (3280, 5890), (3800, 5084), (3895, 4960), (4100, 4712)]