19764050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 38997504

約数和(自身を除く): 19233454

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 155, 205, 310, 311, 410, 622, 775, 1025, 1271, 1550, 1555, 2050, 2542, 3110, 6355, 7775, 9641, 12710, 12751, 15550, 19282, 25502, 31775, 48205, 63550, 63755, 96410, 127510, 241025, 318775, 395281, 482050, 637550, 790562, 1976405, 3952810, 9882025, 19764050]

約数ペア:

[(1, 19764050), (2, 9882025), (5, 3952810), (10, 1976405), (25, 790562), (31, 637550), (41, 482050), (50, 395281), (62, 318775), (82, 241025), (155, 127510), (205, 96410), (310, 63755), (311, 63550), (410, 48205), (622, 31775), (775, 25502), (1025, 19282), (1271, 15550), (1550, 12751), (1555, 12710), (2050, 9641), (2542, 7775), (3110, 6355)]