19709552

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 39997440

約数和(自身を除く): 20287888

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 496, 503, 632, 1006, 1264, 2012, 2449, 4024, 4898, 8048, 9796, 15593, 19592, 31186, 39184, 39737, 62372, 79474, 124744, 158948, 249488, 317896, 635792, 1231847, 2463694, 4927388, 9854776, 19709552]

約数ペア:

[(1, 19709552), (2, 9854776), (4, 4927388), (8, 2463694), (16, 1231847), (31, 635792), (62, 317896), (79, 249488), (124, 158948), (158, 124744), (248, 79474), (316, 62372), (496, 39737), (503, 39184), (632, 31186), (1006, 19592), (1264, 15593), (2012, 9796), (2449, 8048), (4024, 4898)]