19635954

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1109}}^1$

素因数の和:1354

約数の個数: 32

約数和(自身を含む): 42517440

約数和(自身を除く): 22881486

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 227, 454, 681, 1109, 1362, 2218, 2951, 3327, 5902, 6654, 8853, 14417, 17706, 28834, 43251, 86502, 251743, 503486, 755229, 1510458, 3272659, 6545318, 9817977, 19635954]

約数ペア:

[(1, 19635954), (2, 9817977), (3, 6545318), (6, 3272659), (13, 1510458), (26, 755229), (39, 503486), (78, 251743), (227, 86502), (454, 43251), (681, 28834), (1109, 17706), (1362, 14417), (2218, 8853), (2951, 6654), (3327, 5902)]