19979748936

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{67}}^2\times {\mathrm{8831}}^1$

素因数の和:8984

約数の個数: 144

約数和(自身を含む): 62785981440

約数和(自身を除く): 42806232504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 67, 72, 84, 126, 134, 168, 201, 252, 268, 402, 469, 504, 536, 603, 804, 938, 1206, 1407, 1608, 1876, 2412, 2814, 3752, 4221, 4489, 4824, 5628, 8442, 8831, 8978, 11256, 13467, 16884, 17662, 17956, 26493, 26934, 31423, 33768, 35324, 35912, 40401, 52986, 53868, 61817, 62846, 70648, 79479, 80802, 94269, 105972, 107736, 123634, 125692, 158958, 161604, 185451, 188538, 211944, 247268, 251384, 282807, 317916, 323208, 370902, 377076, 494536, 556353, 565614, 591677, 635832, 741804, 754152, 1112706, 1131228, 1183354, 1483608, 1775031, 2225412, 2262456, 2366708, 3550062, 4141739, 4450824, 4733416, 5325093, 7100124, 8283478, 10650186, 12425217, 14200248, 16566956, 21300372, 24850434, 33133912, 37275651, 39642359, 42600744, 49700868, 74551302, 79284718, 99401736, 118927077, 149102604, 158569436, 237854154, 277496513, 298205208, 317138872, 356781231, 475708308, 554993026, 713562462, 832489539, 951416616, 1109986052, 1427124924, 1664979078, 2219972104, 2497468617, 2854249848, 3329958156, 4994937234, 6659916312, 9989874468, 19979748936]

約数ペア:

[(1, 19979748936), (2, 9989874468), (3, 6659916312), (4, 4994937234), (6, 3329958156), (7, 2854249848), (8, 2497468617), (9, 2219972104), (12, 1664979078), (14, 1427124924), (18, 1109986052), (21, 951416616), (24, 832489539), (28, 713562462), (36, 554993026), (42, 475708308), (56, 356781231), (63, 317138872), (67, 298205208), (72, 277496513), (84, 237854154), (126, 158569436), (134, 149102604), (168, 118927077), (201, 99401736), (252, 79284718), (268, 74551302), (402, 49700868), (469, 42600744), (504, 39642359), (536, 37275651), (603, 33133912), (804, 24850434), (938, 21300372), (1206, 16566956), (1407, 14200248), (1608, 12425217), (1876, 10650186), (2412, 8283478), (2814, 7100124), (3752, 5325093), (4221, 4733416), (4489, 4450824), (4824, 4141739), (5628, 3550062), (8442, 2366708), (8831, 2262456), (8978, 2225412), (11256, 1775031), (13467, 1483608), (16884, 1183354), (17662, 1131228), (17956, 1112706), (26493, 754152), (26934, 741804), (31423, 635832), (33768, 591677), (35324, 565614), (35912, 556353), (40401, 494536), (52986, 377076), (53868, 370902), (61817, 323208), (62846, 317916), (70648, 282807), (79479, 251384), (80802, 247268), (94269, 211944), (105972, 188538), (107736, 185451), (123634, 161604), (125692, 158958)]