18637944

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 54190080

約数和(自身を除く): 35552136

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 41, 47, 52, 62, 78, 82, 93, 94, 104, 123, 124, 141, 156, 164, 186, 188, 246, 248, 282, 312, 328, 372, 376, 403, 492, 533, 564, 611, 744, 806, 984, 1066, 1128, 1209, 1222, 1271, 1457, 1599, 1612, 1833, 1927, 2132, 2418, 2444, 2542, 2914, 3198, 3224, 3666, 3813, 3854, 4264, 4371, 4836, 4888, 5084, 5781, 5828, 6396, 7332, 7626, 7708, 8742, 9672, 10168, 11562, 11656, 12792, 14664, 15252, 15416, 16523, 17484, 18941, 23124, 25051, 30504, 33046, 34968, 37882, 46248, 49569, 50102, 56823, 59737, 66092, 75153, 75764, 99138, 100204, 113646, 119474, 132184, 150306, 151528, 179211, 198276, 200408, 227292, 238948, 300612, 358422, 396552, 454584, 477896, 601224, 716844, 776581, 1433688, 1553162, 2329743, 3106324, 4659486, 6212648, 9318972, 18637944]

約数ペア:

[(1, 18637944), (2, 9318972), (3, 6212648), (4, 4659486), (6, 3106324), (8, 2329743), (12, 1553162), (13, 1433688), (24, 776581), (26, 716844), (31, 601224), (39, 477896), (41, 454584), (47, 396552), (52, 358422), (62, 300612), (78, 238948), (82, 227292), (93, 200408), (94, 198276), (104, 179211), (123, 151528), (124, 150306), (141, 132184), (156, 119474), (164, 113646), (186, 100204), (188, 99138), (246, 75764), (248, 75153), (282, 66092), (312, 59737), (328, 56823), (372, 50102), (376, 49569), (403, 46248), (492, 37882), (533, 34968), (564, 33046), (611, 30504), (744, 25051), (806, 23124), (984, 18941), (1066, 17484), (1128, 16523), (1209, 15416), (1222, 15252), (1271, 14664), (1457, 12792), (1599, 11656), (1612, 11562), (1833, 10168), (1927, 9672), (2132, 8742), (2418, 7708), (2444, 7626), (2542, 7332), (2914, 6396), (3198, 5828), (3224, 5781), (3666, 5084), (3813, 4888), (3854, 4836), (4264, 4371)]