19850850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1472

約数の個数: 72

約数和(自身を含む): 55091712

約数和(自身を除く): 35240862

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 150, 155, 186, 225, 279, 310, 450, 465, 558, 775, 930, 1395, 1423, 1550, 2325, 2790, 2846, 4269, 4650, 6975, 7115, 8538, 12807, 13950, 14230, 21345, 25614, 35575, 42690, 44113, 64035, 71150, 88226, 106725, 128070, 132339, 213450, 220565, 264678, 320175, 397017, 441130, 640350, 661695, 794034, 1102825, 1323390, 1985085, 2205650, 3308475, 3970170, 6616950, 9925425, 19850850]

約数ペア:

[(1, 19850850), (2, 9925425), (3, 6616950), (5, 3970170), (6, 3308475), (9, 2205650), (10, 1985085), (15, 1323390), (18, 1102825), (25, 794034), (30, 661695), (31, 640350), (45, 441130), (50, 397017), (62, 320175), (75, 264678), (90, 220565), (93, 213450), (150, 132339), (155, 128070), (186, 106725), (225, 88226), (279, 71150), (310, 64035), (450, 44113), (465, 42690), (558, 35575), (775, 25614), (930, 21345), (1395, 14230), (1423, 13950), (1550, 12807), (2325, 8538), (2790, 7115), (2846, 6975), (4269, 4650)]