18100740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:697

約数の個数: 96

約数和(自身を含む): 58834944

約数和(自身を除く): 40734204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 607, 710, 852, 994, 1065, 1214, 1420, 1491, 1821, 1988, 2130, 2428, 2485, 2982, 3035, 3642, 4249, 4260, 4970, 5964, 6070, 7284, 7455, 8498, 9105, 9940, 12140, 12747, 14910, 16996, 18210, 21245, 25494, 29820, 36420, 42490, 43097, 50988, 63735, 84980, 86194, 127470, 129291, 172388, 215485, 254940, 258582, 301679, 430970, 517164, 603358, 646455, 861940, 905037, 1206716, 1292910, 1508395, 1810074, 2585820, 3016790, 3620148, 4525185, 6033580, 9050370, 18100740]

約数ペア:

[(1, 18100740), (2, 9050370), (3, 6033580), (4, 4525185), (5, 3620148), (6, 3016790), (7, 2585820), (10, 1810074), (12, 1508395), (14, 1292910), (15, 1206716), (20, 905037), (21, 861940), (28, 646455), (30, 603358), (35, 517164), (42, 430970), (60, 301679), (70, 258582), (71, 254940), (84, 215485), (105, 172388), (140, 129291), (142, 127470), (210, 86194), (213, 84980), (284, 63735), (355, 50988), (420, 43097), (426, 42490), (497, 36420), (607, 29820), (710, 25494), (852, 21245), (994, 18210), (1065, 16996), (1214, 14910), (1420, 12747), (1491, 12140), (1821, 9940), (1988, 9105), (2130, 8498), (2428, 7455), (2485, 7284), (2982, 6070), (3035, 5964), (3642, 4970), (4249, 4260)]