19533720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 62208000

約数和(自身を除く): 42674280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 59, 60, 62, 89, 93, 118, 120, 124, 155, 177, 178, 186, 236, 248, 267, 295, 310, 354, 356, 372, 445, 465, 472, 534, 590, 620, 708, 712, 744, 885, 890, 930, 1068, 1180, 1240, 1335, 1416, 1770, 1780, 1829, 1860, 2136, 2360, 2670, 2759, 3540, 3560, 3658, 3720, 5251, 5340, 5487, 5518, 7080, 7316, 8277, 9145, 10502, 10680, 10974, 11036, 13795, 14632, 15753, 16554, 18290, 21004, 21948, 22072, 26255, 27435, 27590, 31506, 33108, 36580, 41385, 42008, 43896, 52510, 54870, 55180, 63012, 66216, 73160, 78765, 82770, 105020, 109740, 110360, 126024, 157530, 162781, 165540, 210040, 219480, 315060, 325562, 331080, 488343, 630120, 651124, 813905, 976686, 1302248, 1627810, 1953372, 2441715, 3255620, 3906744, 4883430, 6511240, 9766860, 19533720]

約数ペア:

[(1, 19533720), (2, 9766860), (3, 6511240), (4, 4883430), (5, 3906744), (6, 3255620), (8, 2441715), (10, 1953372), (12, 1627810), (15, 1302248), (20, 976686), (24, 813905), (30, 651124), (31, 630120), (40, 488343), (59, 331080), (60, 325562), (62, 315060), (89, 219480), (93, 210040), (118, 165540), (120, 162781), (124, 157530), (155, 126024), (177, 110360), (178, 109740), (186, 105020), (236, 82770), (248, 78765), (267, 73160), (295, 66216), (310, 63012), (354, 55180), (356, 54870), (372, 52510), (445, 43896), (465, 42008), (472, 41385), (534, 36580), (590, 33108), (620, 31506), (708, 27590), (712, 27435), (744, 26255), (885, 22072), (890, 21948), (930, 21004), (1068, 18290), (1180, 16554), (1240, 15753), (1335, 14632), (1416, 13795), (1770, 11036), (1780, 10974), (1829, 10680), (1860, 10502), (2136, 9145), (2360, 8277), (2670, 7316), (2759, 7080), (3540, 5518), (3560, 5487), (3658, 5340), (3720, 5251)]