19166472

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20477}}^1$

素因数の和:20502

約数の個数: 48

約数和(自身を含む): 55904940

約数和(自身を除く): 36738468

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20477, 40954, 61431, 81908, 122862, 163816, 184293, 245724, 266201, 368586, 491448, 532402, 737172, 798603, 1064804, 1474344, 1597206, 2129608, 2395809, 3194412, 4791618, 6388824, 9583236, 19166472]

約数ペア:

[(1, 19166472), (2, 9583236), (3, 6388824), (4, 4791618), (6, 3194412), (8, 2395809), (9, 2129608), (12, 1597206), (13, 1474344), (18, 1064804), (24, 798603), (26, 737172), (36, 532402), (39, 491448), (52, 368586), (72, 266201), (78, 245724), (104, 184293), (117, 163816), (156, 122862), (234, 81908), (312, 61431), (468, 40954), (936, 20477)]