19614273640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{516709}}^1$

素因数の和:516806

約数の個数: 64

約数和(自身を含む): 48178040400

約数和(自身を除く): 28563766760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1898, 2920, 3796, 4745, 7592, 9490, 18980, 37960, 516709, 1033418, 2066836, 2583545, 4133672, 5167090, 6717217, 10334180, 13434434, 20668360, 26868868, 33586085, 37719757, 53737736, 67172170, 75439514, 134344340, 150879028, 188598785, 268688680, 301758056, 377197570, 490356841, 754395140, 980713682, 1508790280, 1961427364, 2451784205, 3922854728, 4903568410, 9807136820, 19614273640]

約数ペア:

[(1, 19614273640), (2, 9807136820), (4, 4903568410), (5, 3922854728), (8, 2451784205), (10, 1961427364), (13, 1508790280), (20, 980713682), (26, 754395140), (40, 490356841), (52, 377197570), (65, 301758056), (73, 268688680), (104, 188598785), (130, 150879028), (146, 134344340), (260, 75439514), (292, 67172170), (365, 53737736), (520, 37719757), (584, 33586085), (730, 26868868), (949, 20668360), (1460, 13434434), (1898, 10334180), (2920, 6717217), (3796, 5167090), (4745, 4133672), (7592, 2583545), (9490, 2066836), (18980, 1033418), (37960, 516709)]