18463120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 47465712

約数和(自身を除く): 29002592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 433, 520, 533, 656, 820, 866, 1040, 1066, 1640, 1732, 2132, 2165, 2665, 3280, 3464, 4264, 4330, 5330, 5629, 6928, 8528, 8660, 10660, 11258, 17320, 17753, 21320, 22516, 28145, 34640, 35506, 42640, 45032, 56290, 71012, 88765, 90064, 112580, 142024, 177530, 225160, 230789, 284048, 355060, 450320, 461578, 710120, 923156, 1153945, 1420240, 1846312, 2307890, 3692624, 4615780, 9231560, 18463120]

約数ペア:

[(1, 18463120), (2, 9231560), (4, 4615780), (5, 3692624), (8, 2307890), (10, 1846312), (13, 1420240), (16, 1153945), (20, 923156), (26, 710120), (40, 461578), (41, 450320), (52, 355060), (65, 284048), (80, 230789), (82, 225160), (104, 177530), (130, 142024), (164, 112580), (205, 90064), (208, 88765), (260, 71012), (328, 56290), (410, 45032), (433, 42640), (520, 35506), (533, 34640), (656, 28145), (820, 22516), (866, 21320), (1040, 17753), (1066, 17320), (1640, 11258), (1732, 10660), (2132, 8660), (2165, 8528), (2665, 6928), (3280, 5629), (3464, 5330), (4264, 4330)]