19649970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7043}}^1$

素因数の和:7087

約数の個数: 48

約数和(自身を含む): 52745472

約数和(自身を除く): 33095502

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7043, 14086, 21129, 35215, 42258, 63387, 70430, 105645, 126774, 211290, 218333, 316935, 436666, 633870, 654999, 1091665, 1309998, 1964997, 2183330, 3274995, 3929994, 6549990, 9824985, 19649970]

約数ペア:

[(1, 19649970), (2, 9824985), (3, 6549990), (5, 3929994), (6, 3274995), (9, 2183330), (10, 1964997), (15, 1309998), (18, 1091665), (30, 654999), (31, 633870), (45, 436666), (62, 316935), (90, 218333), (93, 211290), (155, 126774), (186, 105645), (279, 70430), (310, 63387), (465, 42258), (558, 35215), (930, 21129), (1395, 14086), (2790, 7043)]