19655610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 51408000

約数和(自身を除く): 31752390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 303, 390, 499, 505, 606, 998, 1010, 1313, 1497, 1515, 2495, 2626, 2994, 3030, 3939, 4990, 6487, 6565, 7485, 7878, 12974, 13130, 14970, 19461, 19695, 32435, 38922, 39390, 50399, 64870, 97305, 100798, 151197, 194610, 251995, 302394, 503990, 655187, 755985, 1310374, 1511970, 1965561, 3275935, 3931122, 6551870, 9827805, 19655610]

約数ペア:

[(1, 19655610), (2, 9827805), (3, 6551870), (5, 3931122), (6, 3275935), (10, 1965561), (13, 1511970), (15, 1310374), (26, 755985), (30, 655187), (39, 503990), (65, 302394), (78, 251995), (101, 194610), (130, 151197), (195, 100798), (202, 97305), (303, 64870), (390, 50399), (499, 39390), (505, 38922), (606, 32435), (998, 19695), (1010, 19461), (1313, 14970), (1497, 13130), (1515, 12974), (2495, 7878), (2626, 7485), (2994, 6565), (3030, 6487), (3939, 4990)]