17886690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2137}}^1$

素因数の和:2184

約数の個数: 64

約数和(自身を含む): 49259520

約数和(自身を除く): 31372830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2137, 2790, 4185, 4274, 6411, 8370, 10685, 12822, 19233, 21370, 32055, 38466, 57699, 64110, 66247, 96165, 115398, 132494, 192330, 198741, 288495, 331235, 397482, 576990, 596223, 662470, 993705, 1192446, 1788669, 1987410, 2981115, 3577338, 5962230, 8943345, 17886690]

約数ペア:

[(1, 17886690), (2, 8943345), (3, 5962230), (5, 3577338), (6, 2981115), (9, 1987410), (10, 1788669), (15, 1192446), (18, 993705), (27, 662470), (30, 596223), (31, 576990), (45, 397482), (54, 331235), (62, 288495), (90, 198741), (93, 192330), (135, 132494), (155, 115398), (186, 96165), (270, 66247), (279, 64110), (310, 57699), (465, 38466), (558, 32055), (837, 21370), (930, 19233), (1395, 12822), (1674, 10685), (2137, 8370), (2790, 6411), (4185, 4274)]