18551988

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:846

約数の個数: 108

約数和(自身を含む): 58820580

約数和(自身を除く): 40268592

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 809, 819, 882, 1092, 1274, 1618, 1638, 1764, 1911, 2427, 2548, 3236, 3276, 3822, 4854, 5663, 5733, 7281, 7644, 9708, 10517, 11326, 11466, 14562, 16989, 21034, 22652, 22932, 29124, 31551, 33978, 39641, 42068, 50967, 63102, 67956, 73619, 79282, 94653, 101934, 118923, 126204, 147238, 158564, 189306, 203868, 220857, 237846, 294476, 356769, 378612, 441714, 475692, 515333, 662571, 713538, 883428, 1030666, 1325142, 1427076, 1545999, 2061332, 2650284, 3091998, 4637997, 6183996, 9275994, 18551988]

約数ペア:

[(1, 18551988), (2, 9275994), (3, 6183996), (4, 4637997), (6, 3091998), (7, 2650284), (9, 2061332), (12, 1545999), (13, 1427076), (14, 1325142), (18, 1030666), (21, 883428), (26, 713538), (28, 662571), (36, 515333), (39, 475692), (42, 441714), (49, 378612), (52, 356769), (63, 294476), (78, 237846), (84, 220857), (91, 203868), (98, 189306), (117, 158564), (126, 147238), (147, 126204), (156, 118923), (182, 101934), (196, 94653), (234, 79282), (252, 73619), (273, 67956), (294, 63102), (364, 50967), (441, 42068), (468, 39641), (546, 33978), (588, 31551), (637, 29124), (809, 22932), (819, 22652), (882, 21034), (1092, 16989), (1274, 14562), (1618, 11466), (1638, 11326), (1764, 10517), (1911, 9708), (2427, 7644), (2548, 7281), (3236, 5733), (3276, 5663), (3822, 4854)]