18475101970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{131711}}^1$

素因数の和:131827

約数の個数: 48

約数和(自身を含む): 36444183552

約数和(自身を除く): 17969081582

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 169, 338, 415, 830, 845, 1079, 1690, 2158, 5395, 10790, 14027, 28054, 70135, 131711, 140270, 263422, 658555, 1317110, 1712243, 3424486, 8561215, 10932013, 17122430, 21864026, 22259159, 44518318, 54660065, 109320130, 111295795, 142116169, 222591590, 284232338, 710580845, 1421161690, 1847510197, 3695020394, 9237550985, 18475101970]

約数ペア:

[(1, 18475101970), (2, 9237550985), (5, 3695020394), (10, 1847510197), (13, 1421161690), (26, 710580845), (65, 284232338), (83, 222591590), (130, 142116169), (166, 111295795), (169, 109320130), (338, 54660065), (415, 44518318), (830, 22259159), (845, 21864026), (1079, 17122430), (1690, 10932013), (2158, 8561215), (5395, 3424486), (10790, 1712243), (14027, 1317110), (28054, 658555), (70135, 263422), (131711, 140270)]