19630720

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 48256200

約数和(自身を除く): 28625480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 829, 1184, 1480, 1658, 2368, 2960, 3316, 4145, 4736, 5920, 6632, 8290, 11840, 13264, 16580, 23680, 26528, 30673, 33160, 53056, 61346, 66320, 106112, 122692, 132640, 153365, 245384, 265280, 306730, 490768, 530560, 613460, 981536, 1226920, 1963072, 2453840, 3926144, 4907680, 9815360, 19630720]

約数ペア:

[(1, 19630720), (2, 9815360), (4, 4907680), (5, 3926144), (8, 2453840), (10, 1963072), (16, 1226920), (20, 981536), (32, 613460), (37, 530560), (40, 490768), (64, 306730), (74, 265280), (80, 245384), (128, 153365), (148, 132640), (160, 122692), (185, 106112), (296, 66320), (320, 61346), (370, 53056), (592, 33160), (640, 30673), (740, 26528), (829, 23680), (1184, 16580), (1480, 13264), (1658, 11840), (2368, 8290), (2960, 6632), (3316, 5920), (4145, 4736)]