19100312

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 26138728

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 101, 154, 202, 307, 308, 404, 614, 616, 707, 808, 1111, 1228, 1414, 2149, 2222, 2456, 2828, 3377, 4298, 4444, 5656, 6754, 7777, 8596, 8888, 13508, 15554, 17192, 23639, 27016, 31007, 31108, 47278, 62014, 62216, 94556, 124028, 189112, 217049, 248056, 341077, 434098, 682154, 868196, 1364308, 1736392, 2387539, 2728616, 4775078, 9550156, 19100312]

約数ペア:

[(1, 19100312), (2, 9550156), (4, 4775078), (7, 2728616), (8, 2387539), (11, 1736392), (14, 1364308), (22, 868196), (28, 682154), (44, 434098), (56, 341077), (77, 248056), (88, 217049), (101, 189112), (154, 124028), (202, 94556), (307, 62216), (308, 62014), (404, 47278), (614, 31108), (616, 31007), (707, 27016), (808, 23639), (1111, 17192), (1228, 15554), (1414, 13508), (2149, 8888), (2222, 8596), (2456, 7777), (2828, 6754), (3377, 5656), (4298, 4444)]