19934550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1429}}^1$

素因数の和:1478

約数の個数: 72

約数和(自身を含む): 55323840

約数和(自身を除く): 35389290

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, 1429, 1550, 2325, 2790, 2858, 4287, 4650, 6975, 7145, 8574, 12861, 13950, 14290, 21435, 25722, 35725, 42870, 44299, 64305, 71450, 88598, 107175, 128610, 132897, 214350, 221495, 265794, 321525, 398691, 442990, 643050, 664485, 797382, 1107475, 1328970, 1993455, 2214950, 3322425, 3986910, 6644850, 9967275, 19934550]

約数ペア:

[(1, 19934550), (2, 9967275), (3, 6644850), (5, 3986910), (6, 3322425), (9, 2214950), (10, 1993455), (15, 1328970), (18, 1107475), (25, 797382), (30, 664485), (31, 643050), (45, 442990), (50, 398691), (62, 321525), (75, 265794), (90, 221495), (93, 214350), (150, 132897), (155, 128610), (186, 107175), (225, 88598), (279, 71450), (310, 64305), (450, 44299), (465, 42870), (558, 35725), (775, 25722), (930, 21435), (1395, 14290), (1429, 13950), (1550, 12861), (2325, 8574), (2790, 7145), (2858, 6975), (4287, 4650)]