19327484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 39580800

約数和(自身を除く): 20253316

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 61, 76, 122, 209, 244, 379, 418, 671, 758, 836, 1159, 1342, 1516, 2318, 2684, 4169, 4636, 7201, 8338, 12749, 14402, 16676, 23119, 25498, 28804, 46238, 50996, 79211, 92476, 158422, 254309, 316844, 439261, 508618, 878522, 1017236, 1757044, 4831871, 9663742, 19327484]

約数ペア:

[(1, 19327484), (2, 9663742), (4, 4831871), (11, 1757044), (19, 1017236), (22, 878522), (38, 508618), (44, 439261), (61, 316844), (76, 254309), (122, 158422), (209, 92476), (244, 79211), (379, 50996), (418, 46238), (671, 28804), (758, 25498), (836, 23119), (1159, 16676), (1342, 14402), (1516, 12749), (2318, 8338), (2684, 7201), (4169, 4636)]