18649722140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{9403}}^1$

素因数の和:9907

約数の個数: 96

約数和(自身を含む): 46309208064

約数和(自身を除く): 27659485924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 457, 620, 868, 914, 1085, 1828, 2170, 2285, 3199, 4340, 4570, 6398, 9140, 9403, 12796, 14167, 15995, 18806, 28334, 31990, 37612, 47015, 56668, 63980, 65821, 70835, 94030, 99169, 131642, 141670, 188060, 198338, 263284, 283340, 291493, 329105, 396676, 495845, 582986, 658210, 991690, 1165972, 1316420, 1457465, 1983380, 2040451, 2914930, 4080902, 4297171, 5829860, 8161804, 8594342, 10202255, 17188684, 20404510, 21485855, 30080197, 40809020, 42971710, 60160394, 85943420, 120320788, 133212301, 150400985, 266424602, 300801970, 532849204, 601603940, 666061505, 932486107, 1332123010, 1864972214, 2664246020, 3729944428, 4662430535, 9324861070, 18649722140]

約数ペア:

[(1, 18649722140), (2, 9324861070), (4, 4662430535), (5, 3729944428), (7, 2664246020), (10, 1864972214), (14, 1332123010), (20, 932486107), (28, 666061505), (31, 601603940), (35, 532849204), (62, 300801970), (70, 266424602), (124, 150400985), (140, 133212301), (155, 120320788), (217, 85943420), (310, 60160394), (434, 42971710), (457, 40809020), (620, 30080197), (868, 21485855), (914, 20404510), (1085, 17188684), (1828, 10202255), (2170, 8594342), (2285, 8161804), (3199, 5829860), (4340, 4297171), (4570, 4080902), (6398, 2914930), (9140, 2040451), (9403, 1983380), (12796, 1457465), (14167, 1316420), (15995, 1165972), (18806, 991690), (28334, 658210), (31990, 582986), (37612, 495845), (47015, 396676), (56668, 329105), (63980, 291493), (65821, 283340), (70835, 263284), (94030, 198338), (99169, 188060), (131642, 141670)]