19115220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 56770560

約数和(自身を除く): 37655340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 86, 93, 124, 129, 155, 172, 186, 215, 239, 258, 310, 372, 430, 465, 478, 516, 620, 645, 717, 860, 930, 956, 1195, 1290, 1333, 1434, 1860, 2390, 2580, 2666, 2868, 3585, 3999, 4780, 5332, 6665, 7170, 7409, 7998, 10277, 13330, 14340, 14818, 15996, 19995, 20554, 22227, 26660, 29636, 30831, 37045, 39990, 41108, 44454, 51385, 61662, 74090, 79980, 88908, 102770, 111135, 123324, 148180, 154155, 205540, 222270, 308310, 318587, 444540, 616620, 637174, 955761, 1274348, 1592935, 1911522, 3185870, 3823044, 4778805, 6371740, 9557610, 19115220]

約数ペア:

[(1, 19115220), (2, 9557610), (3, 6371740), (4, 4778805), (5, 3823044), (6, 3185870), (10, 1911522), (12, 1592935), (15, 1274348), (20, 955761), (30, 637174), (31, 616620), (43, 444540), (60, 318587), (62, 308310), (86, 222270), (93, 205540), (124, 154155), (129, 148180), (155, 123324), (172, 111135), (186, 102770), (215, 88908), (239, 79980), (258, 74090), (310, 61662), (372, 51385), (430, 44454), (465, 41108), (478, 39990), (516, 37045), (620, 30831), (645, 29636), (717, 26660), (860, 22227), (930, 20554), (956, 19995), (1195, 15996), (1290, 14818), (1333, 14340), (1434, 13330), (1860, 10277), (2390, 7998), (2580, 7409), (2666, 7170), (2868, 6665), (3585, 5332), (3999, 4780)]