19995360615

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{364513}}^1$

素因数の和:364600

約数の個数: 48

約数和(自身を含む): 36847991232

約数和(自身を除く): 16852630617

約数列:

[1, 3, 5, 9, 15, 23, 45, 53, 69, 115, 159, 207, 265, 345, 477, 795, 1035, 1219, 2385, 3657, 6095, 10971, 18285, 54855, 364513, 1093539, 1822565, 3280617, 5467695, 8383799, 16403085, 19319189, 25151397, 41918995, 57957567, 75454191, 96595945, 125756985, 173872701, 289787835, 377270955, 444341347, 869363505, 1333024041, 2221706735, 3999072123, 6665120205, 19995360615]

約数ペア:

[(1, 19995360615), (3, 6665120205), (5, 3999072123), (9, 2221706735), (15, 1333024041), (23, 869363505), (45, 444341347), (53, 377270955), (69, 289787835), (115, 173872701), (159, 125756985), (207, 96595945), (265, 75454191), (345, 57957567), (477, 41918995), (795, 25151397), (1035, 19319189), (1219, 16403085), (2385, 8383799), (3657, 5467695), (6095, 3280617), (10971, 1822565), (18285, 1093539), (54855, 364513)]