19140950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 37604736

約数和(自身を除く): 18463786

約数列:

[1, 2, 5, 10, 25, 31, 50, 53, 62, 106, 155, 233, 265, 310, 466, 530, 775, 1165, 1325, 1550, 1643, 2330, 2650, 3286, 5825, 7223, 8215, 11650, 12349, 14446, 16430, 24698, 36115, 41075, 61745, 72230, 82150, 123490, 180575, 308725, 361150, 382819, 617450, 765638, 1914095, 3828190, 9570475, 19140950]

約数ペア:

[(1, 19140950), (2, 9570475), (5, 3828190), (10, 1914095), (25, 765638), (31, 617450), (50, 382819), (53, 361150), (62, 308725), (106, 180575), (155, 123490), (233, 82150), (265, 72230), (310, 61745), (466, 41075), (530, 36115), (775, 24698), (1165, 16430), (1325, 14446), (1550, 12349), (1643, 11650), (2330, 8215), (2650, 7223), (3286, 5825)]