18661630976

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{30941}}^1$

素因数の和:31011

約数の個数: 88

約数和(自身を含む): 40536495360

約数和(自身を除く): 21874864384

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 512, 589, 608, 992, 1024, 1178, 1216, 1984, 2356, 2432, 3968, 4712, 4864, 7936, 9424, 9728, 15872, 18848, 19456, 30941, 31744, 37696, 61882, 75392, 123764, 150784, 247528, 301568, 495056, 587879, 603136, 959171, 990112, 1175758, 1918342, 1980224, 2351516, 3836684, 3960448, 4703032, 7673368, 7920896, 9406064, 15346736, 15841792, 18224249, 18812128, 30693472, 31683584, 36448498, 37624256, 61386944, 72896996, 75248512, 122773888, 145793992, 150497024, 245547776, 291587984, 300994048, 491095552, 583175968, 601988096, 982191104, 1166351936, 2332703872, 4665407744, 9330815488, 18661630976]

約数ペア:

[(1, 18661630976), (2, 9330815488), (4, 4665407744), (8, 2332703872), (16, 1166351936), (19, 982191104), (31, 601988096), (32, 583175968), (38, 491095552), (62, 300994048), (64, 291587984), (76, 245547776), (124, 150497024), (128, 145793992), (152, 122773888), (248, 75248512), (256, 72896996), (304, 61386944), (496, 37624256), (512, 36448498), (589, 31683584), (608, 30693472), (992, 18812128), (1024, 18224249), (1178, 15841792), (1216, 15346736), (1984, 9406064), (2356, 7920896), (2432, 7673368), (3968, 4703032), (4712, 3960448), (4864, 3836684), (7936, 2351516), (9424, 1980224), (9728, 1918342), (15872, 1175758), (18848, 990112), (19456, 959171), (30941, 603136), (31744, 587879), (37696, 495056), (61882, 301568), (75392, 247528), (123764, 150784)]