19613240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28843}}^1$

素因数の和:28871

約数の個数: 32

約数和(自身を含む): 46727280

約数和(自身を除く): 27114040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28843, 57686, 115372, 144215, 230744, 288430, 490331, 576860, 980662, 1153720, 1961324, 2451655, 3922648, 4903310, 9806620, 19613240]

約数ペア:

[(1, 19613240), (2, 9806620), (4, 4903310), (5, 3922648), (8, 2451655), (10, 1961324), (17, 1153720), (20, 980662), (34, 576860), (40, 490331), (68, 288430), (85, 230744), (136, 144215), (170, 115372), (340, 57686), (680, 28843)]