18687792

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 52536320

約数和(自身を除く): 33848528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 661, 744, 912, 1178, 1322, 1488, 1767, 1983, 2356, 2644, 3534, 3966, 4712, 5288, 7068, 7932, 9424, 10576, 12559, 14136, 15864, 20491, 25118, 28272, 31728, 37677, 40982, 50236, 61473, 75354, 81964, 100472, 122946, 150708, 163928, 200944, 245892, 301416, 327856, 389329, 491784, 602832, 778658, 983568, 1167987, 1557316, 2335974, 3114632, 4671948, 6229264, 9343896, 18687792]

約数ペア:

[(1, 18687792), (2, 9343896), (3, 6229264), (4, 4671948), (6, 3114632), (8, 2335974), (12, 1557316), (16, 1167987), (19, 983568), (24, 778658), (31, 602832), (38, 491784), (48, 389329), (57, 327856), (62, 301416), (76, 245892), (93, 200944), (114, 163928), (124, 150708), (152, 122946), (186, 100472), (228, 81964), (248, 75354), (304, 61473), (372, 50236), (456, 40982), (496, 37677), (589, 31728), (661, 28272), (744, 25118), (912, 20491), (1178, 15864), (1322, 14136), (1488, 12559), (1767, 10576), (1983, 9424), (2356, 7932), (2644, 7068), (3534, 5288), (3966, 4712)]