19808412

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 54001920

約数和(自身を除く): 34193508

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 41, 52, 57, 76, 78, 82, 114, 123, 156, 163, 164, 228, 246, 247, 326, 489, 492, 494, 533, 652, 741, 779, 978, 988, 1066, 1482, 1558, 1599, 1956, 2119, 2132, 2337, 2964, 3097, 3116, 3198, 4238, 4674, 6194, 6357, 6396, 6683, 8476, 9291, 9348, 10127, 12388, 12714, 13366, 18582, 20049, 20254, 25428, 26732, 30381, 37164, 40098, 40261, 40508, 60762, 80196, 80522, 86879, 120783, 121524, 126977, 161044, 173758, 241566, 253954, 260637, 347516, 380931, 483132, 507908, 521274, 761862, 1042548, 1523724, 1650701, 3301402, 4952103, 6602804, 9904206, 19808412]

約数ペア:

[(1, 19808412), (2, 9904206), (3, 6602804), (4, 4952103), (6, 3301402), (12, 1650701), (13, 1523724), (19, 1042548), (26, 761862), (38, 521274), (39, 507908), (41, 483132), (52, 380931), (57, 347516), (76, 260637), (78, 253954), (82, 241566), (114, 173758), (123, 161044), (156, 126977), (163, 121524), (164, 120783), (228, 86879), (246, 80522), (247, 80196), (326, 60762), (489, 40508), (492, 40261), (494, 40098), (533, 37164), (652, 30381), (741, 26732), (779, 25428), (978, 20254), (988, 20049), (1066, 18582), (1482, 13366), (1558, 12714), (1599, 12388), (1956, 10127), (2119, 9348), (2132, 9291), (2337, 8476), (2964, 6683), (3097, 6396), (3116, 6357), (3198, 6194), (4238, 4674)]