19879440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11833}}^1$

素因数の和:11856

約数の個数: 80

約数和(自身を含む): 70435968

約数和(自身を除く): 50556528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11833, 23666, 35499, 47332, 59165, 70998, 82831, 94664, 118330, 141996, 165662, 177495, 189328, 236660, 248493, 283992, 331324, 354990, 414155, 473320, 496986, 567984, 662648, 709980, 828310, 946640, 993972, 1242465, 1325296, 1419960, 1656620, 1987944, 2484930, 2839920, 3313240, 3975888, 4969860, 6626480, 9939720, 19879440]

約数ペア:

[(1, 19879440), (2, 9939720), (3, 6626480), (4, 4969860), (5, 3975888), (6, 3313240), (7, 2839920), (8, 2484930), (10, 1987944), (12, 1656620), (14, 1419960), (15, 1325296), (16, 1242465), (20, 993972), (21, 946640), (24, 828310), (28, 709980), (30, 662648), (35, 567984), (40, 496986), (42, 473320), (48, 414155), (56, 354990), (60, 331324), (70, 283992), (80, 248493), (84, 236660), (105, 189328), (112, 177495), (120, 165662), (140, 141996), (168, 118330), (210, 94664), (240, 82831), (280, 70998), (336, 59165), (420, 47332), (560, 35499), (840, 23666), (1680, 11833)]