19670368

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 20972192

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 79, 124, 158, 248, 251, 316, 496, 502, 632, 992, 1004, 1264, 2008, 2449, 2528, 4016, 4898, 7781, 8032, 9796, 15562, 19592, 19829, 31124, 39184, 39658, 62248, 78368, 79316, 124496, 158632, 248992, 317264, 614699, 634528, 1229398, 2458796, 4917592, 9835184, 19670368]

約数ペア:

[(1, 19670368), (2, 9835184), (4, 4917592), (8, 2458796), (16, 1229398), (31, 634528), (32, 614699), (62, 317264), (79, 248992), (124, 158632), (158, 124496), (248, 79316), (251, 78368), (316, 62248), (496, 39658), (502, 39184), (632, 31124), (992, 19829), (1004, 19592), (1264, 15562), (2008, 9796), (2449, 8032), (2528, 7781), (4016, 4898)]