18635960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 52531200

約数和(自身を除く): 33895240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 113, 124, 133, 140, 152, 155, 190, 217, 226, 248, 266, 280, 310, 380, 434, 452, 532, 565, 589, 620, 665, 760, 791, 868, 904, 1064, 1085, 1130, 1178, 1240, 1330, 1582, 1736, 2147, 2170, 2260, 2356, 2660, 2945, 3164, 3503, 3955, 4123, 4294, 4340, 4520, 4712, 5320, 5890, 6328, 7006, 7910, 8246, 8588, 8680, 10735, 11780, 14012, 15029, 15820, 16492, 17176, 17515, 20615, 21470, 23560, 24521, 28024, 30058, 31640, 32984, 35030, 41230, 42940, 49042, 60116, 66557, 70060, 75145, 82460, 85880, 98084, 120232, 122605, 133114, 140120, 150290, 164920, 196168, 245210, 266228, 300580, 332785, 465899, 490420, 532456, 601160, 665570, 931798, 980840, 1331140, 1863596, 2329495, 2662280, 3727192, 4658990, 9317980, 18635960]

約数ペア:

[(1, 18635960), (2, 9317980), (4, 4658990), (5, 3727192), (7, 2662280), (8, 2329495), (10, 1863596), (14, 1331140), (19, 980840), (20, 931798), (28, 665570), (31, 601160), (35, 532456), (38, 490420), (40, 465899), (56, 332785), (62, 300580), (70, 266228), (76, 245210), (95, 196168), (113, 164920), (124, 150290), (133, 140120), (140, 133114), (152, 122605), (155, 120232), (190, 98084), (217, 85880), (226, 82460), (248, 75145), (266, 70060), (280, 66557), (310, 60116), (380, 49042), (434, 42940), (452, 41230), (532, 35030), (565, 32984), (589, 31640), (620, 30058), (665, 28024), (760, 24521), (791, 23560), (868, 21470), (904, 20615), (1064, 17515), (1085, 17176), (1130, 16492), (1178, 15820), (1240, 15029), (1330, 14012), (1582, 11780), (1736, 10735), (2147, 8680), (2170, 8588), (2260, 8246), (2356, 7910), (2660, 7006), (2945, 6328), (3164, 5890), (3503, 5320), (3955, 4712), (4123, 4520), (4294, 4340)]