19788044

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 38814720

約数和(自身を除く): 19026676

約数列:

[1, 2, 4, 19, 31, 37, 38, 62, 74, 76, 124, 148, 227, 454, 589, 703, 908, 1147, 1178, 1406, 2294, 2356, 2812, 4313, 4588, 7037, 8399, 8626, 14074, 16798, 17252, 21793, 28148, 33596, 43586, 87172, 133703, 159581, 260369, 267406, 319162, 520738, 534812, 638324, 1041476, 4947011, 9894022, 19788044]

約数ペア:

[(1, 19788044), (2, 9894022), (4, 4947011), (19, 1041476), (31, 638324), (37, 534812), (38, 520738), (62, 319162), (74, 267406), (76, 260369), (124, 159581), (148, 133703), (227, 87172), (454, 43586), (589, 33596), (703, 28148), (908, 21793), (1147, 17252), (1178, 16798), (1406, 14074), (2294, 8626), (2356, 8399), (2812, 7037), (4313, 4588)]