18197140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 27525740

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 179, 221, 230, 260, 299, 340, 358, 391, 442, 460, 598, 716, 782, 884, 895, 1105, 1196, 1495, 1564, 1790, 1955, 2210, 2327, 2990, 3043, 3580, 3910, 4117, 4420, 4654, 5083, 5980, 6086, 7820, 8234, 9308, 10166, 11635, 12172, 15215, 16468, 20332, 20585, 23270, 25415, 30430, 39559, 41170, 46540, 50830, 53521, 60860, 69989, 79118, 82340, 101660, 107042, 139978, 158236, 197795, 214084, 267605, 279956, 349945, 395590, 535210, 699890, 791180, 909857, 1070420, 1399780, 1819714, 3639428, 4549285, 9098570, 18197140]

約数ペア:

[(1, 18197140), (2, 9098570), (4, 4549285), (5, 3639428), (10, 1819714), (13, 1399780), (17, 1070420), (20, 909857), (23, 791180), (26, 699890), (34, 535210), (46, 395590), (52, 349945), (65, 279956), (68, 267605), (85, 214084), (92, 197795), (115, 158236), (130, 139978), (170, 107042), (179, 101660), (221, 82340), (230, 79118), (260, 69989), (299, 60860), (340, 53521), (358, 50830), (391, 46540), (442, 41170), (460, 39559), (598, 30430), (716, 25415), (782, 23270), (884, 20585), (895, 20332), (1105, 16468), (1196, 15215), (1495, 12172), (1564, 11635), (1790, 10166), (1955, 9308), (2210, 8234), (2327, 7820), (2990, 6086), (3043, 5980), (3580, 5083), (3910, 4654), (4117, 4420)]