18690735896

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{827}}^1\times {\mathrm{2113}}^1$

素因数の和:3144

約数の個数: 64

約数和(自身を含む): 40329031680

約数和(自身を除く): 21638295784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 827, 1337, 1528, 1654, 2113, 2674, 3308, 4226, 5348, 5789, 6616, 8452, 10696, 11578, 14791, 16904, 23156, 29582, 46312, 59164, 118328, 157957, 315914, 403583, 631828, 807166, 1105699, 1263656, 1614332, 1747451, 2211398, 2825081, 3228664, 3494902, 4422796, 5650162, 6989804, 8845592, 11300324, 12232157, 13979608, 22600648, 24464314, 48928628, 97857256, 333763141, 667526282, 1335052564, 2336341987, 2670105128, 4672683974, 9345367948, 18690735896]

約数ペア:

[(1, 18690735896), (2, 9345367948), (4, 4672683974), (7, 2670105128), (8, 2336341987), (14, 1335052564), (28, 667526282), (56, 333763141), (191, 97857256), (382, 48928628), (764, 24464314), (827, 22600648), (1337, 13979608), (1528, 12232157), (1654, 11300324), (2113, 8845592), (2674, 6989804), (3308, 5650162), (4226, 4422796), (5348, 3494902), (5789, 3228664), (6616, 2825081), (8452, 2211398), (10696, 1747451), (11578, 1614332), (14791, 1263656), (16904, 1105699), (23156, 807166), (29582, 631828), (46312, 403583), (59164, 315914), (118328, 157957)]