18951540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 57286656

約数和(自身を除く): 38335116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 31, 46, 60, 62, 69, 92, 93, 115, 124, 138, 155, 186, 230, 276, 310, 345, 372, 443, 460, 465, 620, 690, 713, 886, 930, 1329, 1380, 1426, 1772, 1860, 2139, 2215, 2658, 2852, 3565, 4278, 4430, 5316, 6645, 7130, 8556, 8860, 10189, 10695, 13290, 13733, 14260, 20378, 21390, 26580, 27466, 30567, 40756, 41199, 42780, 50945, 54932, 61134, 68665, 82398, 101890, 122268, 137330, 152835, 164796, 203780, 205995, 274660, 305670, 315859, 411990, 611340, 631718, 823980, 947577, 1263436, 1579295, 1895154, 3158590, 3790308, 4737885, 6317180, 9475770, 18951540]

約数ペア:

[(1, 18951540), (2, 9475770), (3, 6317180), (4, 4737885), (5, 3790308), (6, 3158590), (10, 1895154), (12, 1579295), (15, 1263436), (20, 947577), (23, 823980), (30, 631718), (31, 611340), (46, 411990), (60, 315859), (62, 305670), (69, 274660), (92, 205995), (93, 203780), (115, 164796), (124, 152835), (138, 137330), (155, 122268), (186, 101890), (230, 82398), (276, 68665), (310, 61134), (345, 54932), (372, 50945), (443, 42780), (460, 41199), (465, 40756), (620, 30567), (690, 27466), (713, 26580), (886, 21390), (930, 20378), (1329, 14260), (1380, 13733), (1426, 13290), (1772, 10695), (1860, 10189), (2139, 8860), (2215, 8556), (2658, 7130), (2852, 6645), (3565, 5316), (4278, 4430)]