19909980246

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{349}}^1\times {\mathrm{443}}^1$

素因数の和:950

約数の個数: 96

約数和(自身を含む): 43681075200

約数和(自身を除く): 23771094954

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 169, 254, 338, 349, 381, 443, 507, 698, 762, 886, 1014, 1047, 1329, 1651, 2094, 2658, 3302, 4537, 4953, 5759, 9074, 9906, 11518, 13611, 17277, 21463, 27222, 34554, 42926, 44323, 56261, 58981, 64389, 74867, 88646, 112522, 117962, 128778, 132969, 149734, 154607, 168783, 176943, 224601, 265938, 309214, 337566, 353886, 449202, 463821, 576199, 731393, 927642, 1152398, 1462786, 1728597, 2009891, 2194179, 3457194, 4019782, 4388358, 6029673, 7490587, 9508109, 12059346, 14981174, 19016218, 19635089, 22471761, 26128583, 28524327, 39270178, 44943522, 52257166, 57048654, 58905267, 78385749, 117810534, 156771498, 255256157, 510512314, 765768471, 1531536942, 3318330041, 6636660082, 9954990123, 19909980246]

約数ペア:

[(1, 19909980246), (2, 9954990123), (3, 6636660082), (6, 3318330041), (13, 1531536942), (26, 765768471), (39, 510512314), (78, 255256157), (127, 156771498), (169, 117810534), (254, 78385749), (338, 58905267), (349, 57048654), (381, 52257166), (443, 44943522), (507, 39270178), (698, 28524327), (762, 26128583), (886, 22471761), (1014, 19635089), (1047, 19016218), (1329, 14981174), (1651, 12059346), (2094, 9508109), (2658, 7490587), (3302, 6029673), (4537, 4388358), (4953, 4019782), (5759, 3457194), (9074, 2194179), (9906, 2009891), (11518, 1728597), (13611, 1462786), (17277, 1152398), (21463, 927642), (27222, 731393), (34554, 576199), (42926, 463821), (44323, 449202), (56261, 353886), (58981, 337566), (64389, 309214), (74867, 265938), (88646, 224601), (112522, 176943), (117962, 168783), (128778, 154607), (132969, 149734)]