19165740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 59512320

約数和(自身を除く): 40346580

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 71, 110, 132, 142, 165, 213, 220, 284, 330, 355, 409, 426, 660, 710, 781, 818, 852, 1065, 1227, 1420, 1562, 1636, 2045, 2130, 2343, 2454, 3124, 3905, 4090, 4260, 4499, 4686, 4908, 6135, 7810, 8180, 8998, 9372, 11715, 12270, 13497, 15620, 17996, 22495, 23430, 24540, 26994, 29039, 44990, 46860, 53988, 58078, 67485, 87117, 89980, 116156, 134970, 145195, 174234, 269940, 290390, 319429, 348468, 435585, 580780, 638858, 871170, 958287, 1277716, 1597145, 1742340, 1916574, 3194290, 3833148, 4791435, 6388580, 9582870, 19165740]

約数ペア:

[(1, 19165740), (2, 9582870), (3, 6388580), (4, 4791435), (5, 3833148), (6, 3194290), (10, 1916574), (11, 1742340), (12, 1597145), (15, 1277716), (20, 958287), (22, 871170), (30, 638858), (33, 580780), (44, 435585), (55, 348468), (60, 319429), (66, 290390), (71, 269940), (110, 174234), (132, 145195), (142, 134970), (165, 116156), (213, 89980), (220, 87117), (284, 67485), (330, 58078), (355, 53988), (409, 46860), (426, 44990), (660, 29039), (710, 26994), (781, 24540), (818, 23430), (852, 22495), (1065, 17996), (1227, 15620), (1420, 13497), (1562, 12270), (1636, 11715), (2045, 9372), (2130, 8998), (2343, 8180), (2454, 7810), (3124, 6135), (3905, 4908), (4090, 4686), (4260, 4499)]