18780512

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 43545600

約数和(自身を除く): 24765088

約数列:

[1, 2, 4, 8, 16, 17, 19, 23, 32, 34, 38, 46, 68, 76, 79, 92, 136, 152, 158, 184, 272, 304, 316, 323, 368, 391, 437, 544, 608, 632, 646, 736, 782, 874, 1264, 1292, 1343, 1501, 1564, 1748, 1817, 2528, 2584, 2686, 3002, 3128, 3496, 3634, 5168, 5372, 6004, 6256, 6992, 7268, 7429, 10336, 10744, 12008, 12512, 13984, 14536, 14858, 21488, 24016, 25517, 29072, 29716, 30889, 34523, 42976, 48032, 51034, 58144, 59432, 61778, 69046, 102068, 118864, 123556, 138092, 204136, 237728, 247112, 276184, 408272, 494224, 552368, 586891, 816544, 988448, 1104736, 1173782, 2347564, 4695128, 9390256, 18780512]

約数ペア:

[(1, 18780512), (2, 9390256), (4, 4695128), (8, 2347564), (16, 1173782), (17, 1104736), (19, 988448), (23, 816544), (32, 586891), (34, 552368), (38, 494224), (46, 408272), (68, 276184), (76, 247112), (79, 237728), (92, 204136), (136, 138092), (152, 123556), (158, 118864), (184, 102068), (272, 69046), (304, 61778), (316, 59432), (323, 58144), (368, 51034), (391, 48032), (437, 42976), (544, 34523), (608, 30889), (632, 29716), (646, 29072), (736, 25517), (782, 24016), (874, 21488), (1264, 14858), (1292, 14536), (1343, 13984), (1501, 12512), (1564, 12008), (1748, 10744), (1817, 10336), (2528, 7429), (2584, 7268), (2686, 6992), (3002, 6256), (3128, 6004), (3496, 5372), (3634, 5168)]