19227440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7753}}^1$

素因数の和:7797

約数の個数: 40

約数和(自身を含む): 46151808

約数和(自身を除く): 26924368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7753, 15506, 31012, 38765, 62024, 77530, 124048, 155060, 240343, 310120, 480686, 620240, 961372, 1201715, 1922744, 2403430, 3845488, 4806860, 9613720, 19227440]

約数ペア:

[(1, 19227440), (2, 9613720), (4, 4806860), (5, 3845488), (8, 2403430), (10, 1922744), (16, 1201715), (20, 961372), (31, 620240), (40, 480686), (62, 310120), (80, 240343), (124, 155060), (155, 124048), (248, 77530), (310, 62024), (496, 38765), (620, 31012), (1240, 15506), (2480, 7753)]