18443340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1297}}^1$

素因数の和:1391

約数の個数: 72

約数和(自身を含む): 56696640

約数和(自身を除く): 38253300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1297, 1422, 1580, 2370, 2594, 2844, 3555, 3891, 4740, 5188, 6485, 7110, 7782, 11673, 12970, 14220, 15564, 19455, 23346, 25940, 38910, 46692, 58365, 77820, 102463, 116730, 204926, 233460, 307389, 409852, 512315, 614778, 922167, 1024630, 1229556, 1536945, 1844334, 2049260, 3073890, 3688668, 4610835, 6147780, 9221670, 18443340]

約数ペア:

[(1, 18443340), (2, 9221670), (3, 6147780), (4, 4610835), (5, 3688668), (6, 3073890), (9, 2049260), (10, 1844334), (12, 1536945), (15, 1229556), (18, 1024630), (20, 922167), (30, 614778), (36, 512315), (45, 409852), (60, 307389), (79, 233460), (90, 204926), (158, 116730), (180, 102463), (237, 77820), (316, 58365), (395, 46692), (474, 38910), (711, 25940), (790, 23346), (948, 19455), (1185, 15564), (1297, 14220), (1422, 12970), (1580, 11673), (2370, 7782), (2594, 7110), (2844, 6485), (3555, 5188), (3891, 4740)]