19175320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 46228320

約数和(自身を除く): 27053000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 173, 326, 340, 346, 652, 680, 692, 815, 865, 1304, 1384, 1630, 1730, 2771, 2941, 3260, 3460, 5542, 5882, 6520, 6920, 11084, 11764, 13855, 14705, 22168, 23528, 27710, 28199, 29410, 55420, 56398, 58820, 110840, 112796, 117640, 140995, 225592, 281990, 479383, 563980, 958766, 1127960, 1917532, 2396915, 3835064, 4793830, 9587660, 19175320]

約数ペア:

[(1, 19175320), (2, 9587660), (4, 4793830), (5, 3835064), (8, 2396915), (10, 1917532), (17, 1127960), (20, 958766), (34, 563980), (40, 479383), (68, 281990), (85, 225592), (136, 140995), (163, 117640), (170, 112796), (173, 110840), (326, 58820), (340, 56398), (346, 55420), (652, 29410), (680, 28199), (692, 27710), (815, 23528), (865, 22168), (1304, 14705), (1384, 13855), (1630, 11764), (1730, 11084), (2771, 6920), (2941, 6520), (3260, 5882), (3460, 5542)]