19997508

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1607}}^1$

素因数の和:1692

約数の個数: 48

約数和(自身を含む): 50246784

約数和(自身を除く): 30249276

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 61, 68, 102, 122, 183, 204, 244, 366, 732, 1037, 1607, 2074, 3111, 3214, 4148, 4821, 6222, 6428, 9642, 12444, 19284, 27319, 54638, 81957, 98027, 109276, 163914, 196054, 294081, 327828, 392108, 588162, 1176324, 1666459, 3332918, 4999377, 6665836, 9998754, 19997508]

約数ペア:

[(1, 19997508), (2, 9998754), (3, 6665836), (4, 4999377), (6, 3332918), (12, 1666459), (17, 1176324), (34, 588162), (51, 392108), (61, 327828), (68, 294081), (102, 196054), (122, 163914), (183, 109276), (204, 98027), (244, 81957), (366, 54638), (732, 27319), (1037, 19284), (1607, 12444), (2074, 9642), (3111, 6428), (3214, 6222), (4148, 4821)]