16989180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:995

約数の個数: 96

約数和(自身を含む): 53512704

約数和(自身を除く): 36523524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 947, 1196, 1380, 1495, 1794, 1894, 2841, 2990, 3588, 3788, 4485, 4735, 5682, 5980, 8970, 9470, 11364, 12311, 14205, 17940, 18940, 21781, 24622, 28410, 36933, 43562, 49244, 56820, 61555, 65343, 73866, 87124, 108905, 123110, 130686, 147732, 184665, 217810, 246220, 261372, 283153, 326715, 369330, 435620, 566306, 653430, 738660, 849459, 1132612, 1306860, 1415765, 1698918, 2831530, 3397836, 4247295, 5663060, 8494590, 16989180]

約数ペア:

[(1, 16989180), (2, 8494590), (3, 5663060), (4, 4247295), (5, 3397836), (6, 2831530), (10, 1698918), (12, 1415765), (13, 1306860), (15, 1132612), (20, 849459), (23, 738660), (26, 653430), (30, 566306), (39, 435620), (46, 369330), (52, 326715), (60, 283153), (65, 261372), (69, 246220), (78, 217810), (92, 184665), (115, 147732), (130, 130686), (138, 123110), (156, 108905), (195, 87124), (230, 73866), (260, 65343), (276, 61555), (299, 56820), (345, 49244), (390, 43562), (460, 36933), (598, 28410), (690, 24622), (780, 21781), (897, 18940), (947, 17940), (1196, 14205), (1380, 12311), (1495, 11364), (1794, 9470), (1894, 8970), (2841, 5980), (2990, 5682), (3588, 4735), (3788, 4485)]