18695240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1447}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 46915200

約数和(自身を除く): 28219960

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1447, 1615, 2584, 2894, 3230, 5788, 6460, 7235, 11576, 12920, 14470, 24599, 27493, 28940, 49198, 54986, 57880, 98396, 109972, 122995, 137465, 196792, 219944, 245990, 274930, 467381, 491980, 549860, 934762, 983960, 1099720, 1869524, 2336905, 3739048, 4673810, 9347620, 18695240]

約数ペア:

[(1, 18695240), (2, 9347620), (4, 4673810), (5, 3739048), (8, 2336905), (10, 1869524), (17, 1099720), (19, 983960), (20, 934762), (34, 549860), (38, 491980), (40, 467381), (68, 274930), (76, 245990), (85, 219944), (95, 196792), (136, 137465), (152, 122995), (170, 109972), (190, 98396), (323, 57880), (340, 54986), (380, 49198), (646, 28940), (680, 27493), (760, 24599), (1292, 14470), (1447, 12920), (1615, 11576), (2584, 7235), (2894, 6460), (3230, 5788)]