19530186

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 44706816

約数和(自身を除く): 25176630

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 41, 62, 78, 82, 93, 123, 186, 197, 246, 394, 403, 533, 591, 806, 1066, 1182, 1209, 1271, 1599, 2418, 2542, 2561, 3198, 3813, 5122, 6107, 7626, 7683, 8077, 12214, 15366, 16154, 16523, 18321, 24231, 33046, 36642, 48462, 49569, 79391, 99138, 105001, 158782, 210002, 238173, 250387, 315003, 476346, 500774, 630006, 751161, 1502322, 3255031, 6510062, 9765093, 19530186]

約数ペア:

[(1, 19530186), (2, 9765093), (3, 6510062), (6, 3255031), (13, 1502322), (26, 751161), (31, 630006), (39, 500774), (41, 476346), (62, 315003), (78, 250387), (82, 238173), (93, 210002), (123, 158782), (186, 105001), (197, 99138), (246, 79391), (394, 49569), (403, 48462), (533, 36642), (591, 33046), (806, 24231), (1066, 18321), (1182, 16523), (1209, 16154), (1271, 15366), (1599, 12214), (2418, 8077), (2542, 7683), (2561, 7626), (3198, 6107), (3813, 5122)]