19770156

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:425

約数の個数: 120

約数和(自身を含む): 61797120

約数和(自身を除く): 42026964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 81, 84, 92, 108, 126, 138, 161, 162, 189, 207, 252, 276, 322, 324, 378, 379, 414, 483, 567, 621, 644, 756, 758, 828, 966, 1134, 1137, 1242, 1449, 1516, 1863, 1932, 2268, 2274, 2484, 2653, 2898, 3411, 3726, 4347, 4548, 5306, 5796, 6822, 7452, 7959, 8694, 8717, 10233, 10612, 13041, 13644, 15918, 17388, 17434, 20466, 23877, 26082, 26151, 30699, 31836, 34868, 40932, 47754, 52164, 52302, 61019, 61398, 71631, 78453, 95508, 104604, 122038, 122796, 143262, 156906, 183057, 214893, 235359, 244076, 286524, 313812, 366114, 429786, 470718, 549171, 706077, 732228, 859572, 941436, 1098342, 1412154, 1647513, 2196684, 2824308, 3295026, 4942539, 6590052, 9885078, 19770156]

約数ペア:

[(1, 19770156), (2, 9885078), (3, 6590052), (4, 4942539), (6, 3295026), (7, 2824308), (9, 2196684), (12, 1647513), (14, 1412154), (18, 1098342), (21, 941436), (23, 859572), (27, 732228), (28, 706077), (36, 549171), (42, 470718), (46, 429786), (54, 366114), (63, 313812), (69, 286524), (81, 244076), (84, 235359), (92, 214893), (108, 183057), (126, 156906), (138, 143262), (161, 122796), (162, 122038), (189, 104604), (207, 95508), (252, 78453), (276, 71631), (322, 61398), (324, 61019), (378, 52302), (379, 52164), (414, 47754), (483, 40932), (567, 34868), (621, 31836), (644, 30699), (756, 26151), (758, 26082), (828, 23877), (966, 20466), (1134, 17434), (1137, 17388), (1242, 15918), (1449, 13644), (1516, 13041), (1863, 10612), (1932, 10233), (2268, 8717), (2274, 8694), (2484, 7959), (2653, 7452), (2898, 6822), (3411, 5796), (3726, 5306), (4347, 4548)]