19951744

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 43127640

約数和(自身を除く): 23175896

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 64, 68, 106, 128, 136, 173, 212, 272, 346, 424, 544, 692, 848, 901, 1088, 1384, 1696, 1802, 2176, 2768, 2941, 3392, 3604, 5536, 5882, 6784, 7208, 9169, 11072, 11764, 14416, 18338, 22144, 23528, 28832, 36676, 47056, 57664, 73352, 94112, 115328, 146704, 155873, 188224, 293408, 311746, 376448, 586816, 623492, 1173632, 1246984, 2493968, 4987936, 9975872, 19951744]

約数ペア:

[(1, 19951744), (2, 9975872), (4, 4987936), (8, 2493968), (16, 1246984), (17, 1173632), (32, 623492), (34, 586816), (53, 376448), (64, 311746), (68, 293408), (106, 188224), (128, 155873), (136, 146704), (173, 115328), (212, 94112), (272, 73352), (346, 57664), (424, 47056), (544, 36676), (692, 28832), (848, 23528), (901, 22144), (1088, 18338), (1384, 14416), (1696, 11764), (1802, 11072), (2176, 9169), (2768, 7208), (2941, 6784), (3392, 5882), (3604, 5536)]