18784170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2399}}^1$

素因数の和:2444

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 33055830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1305, 1566, 2399, 2610, 3915, 4798, 7197, 7830, 11995, 14394, 21591, 23990, 35985, 43182, 64773, 69571, 71970, 107955, 129546, 139142, 208713, 215910, 323865, 347855, 417426, 626139, 647730, 695710, 1043565, 1252278, 1878417, 2087130, 3130695, 3756834, 6261390, 9392085, 18784170]

約数ペア:

[(1, 18784170), (2, 9392085), (3, 6261390), (5, 3756834), (6, 3130695), (9, 2087130), (10, 1878417), (15, 1252278), (18, 1043565), (27, 695710), (29, 647730), (30, 626139), (45, 417426), (54, 347855), (58, 323865), (87, 215910), (90, 208713), (135, 139142), (145, 129546), (174, 107955), (261, 71970), (270, 69571), (290, 64773), (435, 43182), (522, 35985), (783, 23990), (870, 21591), (1305, 14394), (1566, 11995), (2399, 7830), (2610, 7197), (3915, 4798)]