19874340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2693}}^1$

素因数の和:2749

約数の個数: 72

約数和(自身を含む): 61778808

約数和(自身を除く): 41904468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2693, 3690, 5386, 7380, 8079, 10772, 13465, 16158, 24237, 26930, 32316, 40395, 48474, 53860, 80790, 96948, 110413, 121185, 161580, 220826, 242370, 331239, 441652, 484740, 552065, 662478, 993717, 1104130, 1324956, 1656195, 1987434, 2208260, 3312390, 3974868, 4968585, 6624780, 9937170, 19874340]

約数ペア:

[(1, 19874340), (2, 9937170), (3, 6624780), (4, 4968585), (5, 3974868), (6, 3312390), (9, 2208260), (10, 1987434), (12, 1656195), (15, 1324956), (18, 1104130), (20, 993717), (30, 662478), (36, 552065), (41, 484740), (45, 441652), (60, 331239), (82, 242370), (90, 220826), (123, 161580), (164, 121185), (180, 110413), (205, 96948), (246, 80790), (369, 53860), (410, 48474), (492, 40395), (615, 32316), (738, 26930), (820, 24237), (1230, 16158), (1476, 13465), (1845, 10772), (2460, 8079), (2693, 7380), (3690, 5386)]