19712912768

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{1693}}^1\times {\mathrm{5351}}^1$

素因数の和:7075

約数の個数: 64

約数和(自身を含む): 41614261920

約数和(自身を除く): 21901349152

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 1693, 2176, 3386, 5351, 6772, 10702, 13544, 21404, 27088, 28781, 42808, 54176, 57562, 85616, 90967, 108352, 115124, 171232, 181934, 216704, 230248, 342464, 363868, 460496, 684928, 727736, 920992, 1455472, 1841984, 2910944, 3683968, 5821888, 9059243, 11643776, 18118486, 36236972, 72473944, 144947888, 154007131, 289895776, 308014262, 579791552, 616028524, 1159583104, 1232057048, 2464114096, 4928228192, 9856456384, 19712912768]

約数ペア:

[(1, 19712912768), (2, 9856456384), (4, 4928228192), (8, 2464114096), (16, 1232057048), (17, 1159583104), (32, 616028524), (34, 579791552), (64, 308014262), (68, 289895776), (128, 154007131), (136, 144947888), (272, 72473944), (544, 36236972), (1088, 18118486), (1693, 11643776), (2176, 9059243), (3386, 5821888), (5351, 3683968), (6772, 2910944), (10702, 1841984), (13544, 1455472), (21404, 920992), (27088, 727736), (28781, 684928), (42808, 460496), (54176, 363868), (57562, 342464), (85616, 230248), (90967, 216704), (108352, 181934), (115124, 171232)]