19138768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2939}}^1$

素因数の和:2995

約数の個数: 40

約数和(自身を含む): 41559840

約数和(自身を除く): 22421072

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 2939, 3256, 5878, 6512, 11756, 23512, 32329, 47024, 64658, 108743, 129316, 217486, 258632, 434972, 517264, 869944, 1196173, 1739888, 2392346, 4784692, 9569384, 19138768]

約数ペア:

[(1, 19138768), (2, 9569384), (4, 4784692), (8, 2392346), (11, 1739888), (16, 1196173), (22, 869944), (37, 517264), (44, 434972), (74, 258632), (88, 217486), (148, 129316), (176, 108743), (296, 64658), (407, 47024), (592, 32329), (814, 23512), (1628, 11756), (2939, 6512), (3256, 5878)]