17519940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{743}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 53621568

約数和(自身を除く): 36101628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 743, 786, 1179, 1310, 1486, 1572, 1965, 2229, 2358, 2620, 2972, 3715, 3930, 4458, 4716, 5895, 6687, 7430, 7860, 8916, 11145, 11790, 13374, 14860, 22290, 23580, 26748, 33435, 44580, 66870, 97333, 133740, 194666, 291999, 389332, 486665, 583998, 875997, 973330, 1167996, 1459995, 1751994, 1946660, 2919990, 3503988, 4379985, 5839980, 8759970, 17519940]

約数ペア:

[(1, 17519940), (2, 8759970), (3, 5839980), (4, 4379985), (5, 3503988), (6, 2919990), (9, 1946660), (10, 1751994), (12, 1459995), (15, 1167996), (18, 973330), (20, 875997), (30, 583998), (36, 486665), (45, 389332), (60, 291999), (90, 194666), (131, 133740), (180, 97333), (262, 66870), (393, 44580), (524, 33435), (655, 26748), (743, 23580), (786, 22290), (1179, 14860), (1310, 13374), (1486, 11790), (1572, 11145), (1965, 8916), (2229, 7860), (2358, 7430), (2620, 6687), (2972, 5895), (3715, 4716), (3930, 4458)]