19437228

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 52335920

約数和(自身を除く): 32898692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 157, 171, 181, 228, 314, 342, 362, 471, 543, 628, 684, 724, 942, 1086, 1413, 1629, 1884, 2172, 2826, 2983, 3258, 3439, 5652, 5966, 6516, 6878, 8949, 10317, 11932, 13756, 17898, 20634, 26847, 28417, 30951, 35796, 41268, 53694, 56834, 61902, 85251, 107388, 113668, 123804, 170502, 255753, 341004, 511506, 539923, 1023012, 1079846, 1619769, 2159692, 3239538, 4859307, 6479076, 9718614, 19437228]

約数ペア:

[(1, 19437228), (2, 9718614), (3, 6479076), (4, 4859307), (6, 3239538), (9, 2159692), (12, 1619769), (18, 1079846), (19, 1023012), (36, 539923), (38, 511506), (57, 341004), (76, 255753), (114, 170502), (157, 123804), (171, 113668), (181, 107388), (228, 85251), (314, 61902), (342, 56834), (362, 53694), (471, 41268), (543, 35796), (628, 30951), (684, 28417), (724, 26847), (942, 20634), (1086, 17898), (1413, 13756), (1629, 11932), (1884, 10317), (2172, 8949), (2826, 6878), (2983, 6516), (3258, 5966), (3439, 5652)]