193781988

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{577}}^1$

素因数の和:1097

約数の個数: 72

約数和(自身を含む): 517564320

約数和(自身を除く): 323782332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 491, 577, 684, 982, 1154, 1473, 1731, 1964, 2308, 2946, 3462, 4419, 5193, 5892, 6924, 8838, 9329, 10386, 10963, 17676, 18658, 20772, 21926, 27987, 32889, 37316, 43852, 55974, 65778, 83961, 98667, 111948, 131556, 167922, 197334, 283307, 335844, 394668, 566614, 849921, 1133228, 1699842, 2549763, 3399684, 5099526, 5382833, 10199052, 10765666, 16148499, 21531332, 32296998, 48445497, 64593996, 96890994, 193781988]

約数ペア:

[(1, 193781988), (2, 96890994), (3, 64593996), (4, 48445497), (6, 32296998), (9, 21531332), (12, 16148499), (18, 10765666), (19, 10199052), (36, 5382833), (38, 5099526), (57, 3399684), (76, 2549763), (114, 1699842), (171, 1133228), (228, 849921), (342, 566614), (491, 394668), (577, 335844), (684, 283307), (982, 197334), (1154, 167922), (1473, 131556), (1731, 111948), (1964, 98667), (2308, 83961), (2946, 65778), (3462, 55974), (4419, 43852), (5193, 37316), (5892, 32889), (6924, 27987), (8838, 21926), (9329, 20772), (10386, 18658), (10963, 17676)]