18794580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:705

約数の個数: 96

約数和(自身を含む): 61065984

約数和(自身を除く): 42271404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 613, 730, 876, 1022, 1095, 1226, 1460, 1533, 1839, 2044, 2190, 2452, 2555, 3065, 3066, 3678, 4291, 4380, 5110, 6130, 6132, 7356, 7665, 8582, 9195, 10220, 12260, 12873, 15330, 17164, 18390, 21455, 25746, 30660, 36780, 42910, 44749, 51492, 64365, 85820, 89498, 128730, 134247, 178996, 223745, 257460, 268494, 313243, 447490, 536988, 626486, 671235, 894980, 939729, 1252972, 1342470, 1566215, 1879458, 2684940, 3132430, 3758916, 4698645, 6264860, 9397290, 18794580]

約数ペア:

[(1, 18794580), (2, 9397290), (3, 6264860), (4, 4698645), (5, 3758916), (6, 3132430), (7, 2684940), (10, 1879458), (12, 1566215), (14, 1342470), (15, 1252972), (20, 939729), (21, 894980), (28, 671235), (30, 626486), (35, 536988), (42, 447490), (60, 313243), (70, 268494), (73, 257460), (84, 223745), (105, 178996), (140, 134247), (146, 128730), (210, 89498), (219, 85820), (292, 64365), (365, 51492), (420, 44749), (438, 42910), (511, 36780), (613, 30660), (730, 25746), (876, 21455), (1022, 18390), (1095, 17164), (1226, 15330), (1460, 12873), (1533, 12260), (1839, 10220), (2044, 9195), (2190, 8582), (2452, 7665), (2555, 7356), (3065, 6132), (3066, 6130), (3678, 5110), (4291, 4380)]