19894728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1499}}^1$

素因数の和:1594

約数の個数: 64

約数和(自身を含む): 57600000

約数和(自身を除く): 37705272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 316, 474, 553, 632, 948, 1106, 1499, 1659, 1896, 2212, 2998, 3318, 4424, 4497, 5996, 6636, 8994, 10493, 11992, 13272, 17988, 20986, 31479, 35976, 41972, 62958, 83944, 118421, 125916, 236842, 251832, 355263, 473684, 710526, 828947, 947368, 1421052, 1657894, 2486841, 2842104, 3315788, 4973682, 6631576, 9947364, 19894728]

約数ペア:

[(1, 19894728), (2, 9947364), (3, 6631576), (4, 4973682), (6, 3315788), (7, 2842104), (8, 2486841), (12, 1657894), (14, 1421052), (21, 947368), (24, 828947), (28, 710526), (42, 473684), (56, 355263), (79, 251832), (84, 236842), (158, 125916), (168, 118421), (237, 83944), (316, 62958), (474, 41972), (553, 35976), (632, 31479), (948, 20986), (1106, 17988), (1499, 13272), (1659, 11992), (1896, 10493), (2212, 8994), (2998, 6636), (3318, 5996), (4424, 4497)]