18706020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 36451740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 89, 93, 113, 124, 155, 178, 186, 226, 267, 310, 339, 356, 372, 445, 452, 465, 534, 565, 620, 678, 890, 930, 1068, 1130, 1335, 1356, 1695, 1780, 1860, 2260, 2670, 2759, 3390, 3503, 5340, 5518, 6780, 7006, 8277, 10057, 10509, 11036, 13795, 14012, 16554, 17515, 20114, 21018, 27590, 30171, 33108, 35030, 40228, 41385, 42036, 50285, 52545, 55180, 60342, 70060, 82770, 100570, 105090, 120684, 150855, 165540, 201140, 210180, 301710, 311767, 603420, 623534, 935301, 1247068, 1558835, 1870602, 3117670, 3741204, 4676505, 6235340, 9353010, 18706020]

約数ペア:

[(1, 18706020), (2, 9353010), (3, 6235340), (4, 4676505), (5, 3741204), (6, 3117670), (10, 1870602), (12, 1558835), (15, 1247068), (20, 935301), (30, 623534), (31, 603420), (60, 311767), (62, 301710), (89, 210180), (93, 201140), (113, 165540), (124, 150855), (155, 120684), (178, 105090), (186, 100570), (226, 82770), (267, 70060), (310, 60342), (339, 55180), (356, 52545), (372, 50285), (445, 42036), (452, 41385), (465, 40228), (534, 35030), (565, 33108), (620, 30171), (678, 27590), (890, 21018), (930, 20114), (1068, 17515), (1130, 16554), (1335, 14012), (1356, 13795), (1695, 11036), (1780, 10509), (1860, 10057), (2260, 8277), (2670, 7006), (2759, 6780), (3390, 5518), (3503, 5340)]