19650330

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 61724160

約数和(自身を除く): 42073830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 185, 189, 210, 222, 259, 270, 281, 315, 333, 370, 378, 518, 555, 562, 630, 666, 777, 843, 945, 999, 1110, 1295, 1405, 1554, 1665, 1686, 1890, 1967, 1998, 2331, 2529, 2590, 2810, 3330, 3885, 3934, 4215, 4662, 4995, 5058, 5901, 6993, 7587, 7770, 8430, 9835, 9990, 10397, 11655, 11802, 12645, 13986, 15174, 17703, 19670, 20794, 23310, 25290, 29505, 31191, 34965, 35406, 37935, 51985, 53109, 59010, 62382, 69930, 72779, 75870, 88515, 93573, 103970, 106218, 145558, 155955, 177030, 187146, 218337, 265545, 280719, 311910, 363895, 436674, 467865, 531090, 561438, 655011, 727790, 935730, 1091685, 1310022, 1403595, 1965033, 2183370, 2807190, 3275055, 3930066, 6550110, 9825165, 19650330]

約数ペア:

[(1, 19650330), (2, 9825165), (3, 6550110), (5, 3930066), (6, 3275055), (7, 2807190), (9, 2183370), (10, 1965033), (14, 1403595), (15, 1310022), (18, 1091685), (21, 935730), (27, 727790), (30, 655011), (35, 561438), (37, 531090), (42, 467865), (45, 436674), (54, 363895), (63, 311910), (70, 280719), (74, 265545), (90, 218337), (105, 187146), (111, 177030), (126, 155955), (135, 145558), (185, 106218), (189, 103970), (210, 93573), (222, 88515), (259, 75870), (270, 72779), (281, 69930), (315, 62382), (333, 59010), (370, 53109), (378, 51985), (518, 37935), (555, 35406), (562, 34965), (630, 31191), (666, 29505), (777, 25290), (843, 23310), (945, 20794), (999, 19670), (1110, 17703), (1295, 15174), (1405, 13986), (1554, 12645), (1665, 11802), (1686, 11655), (1890, 10397), (1967, 9990), (1998, 9835), (2331, 8430), (2529, 7770), (2590, 7587), (2810, 6993), (3330, 5901), (3885, 5058), (3934, 4995), (4215, 4662)]