19291950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1058

約数の個数: 72

約数和(自身を含む): 53089608

約数和(自身を除く): 33797658

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 997, 1075, 1290, 1935, 1994, 2150, 2991, 3225, 3870, 4985, 5982, 6450, 8973, 9675, 9970, 14955, 17946, 19350, 24925, 29910, 42871, 44865, 49850, 74775, 85742, 89730, 128613, 149550, 214355, 224325, 257226, 385839, 428710, 448650, 643065, 771678, 1071775, 1286130, 1929195, 2143550, 3215325, 3858390, 6430650, 9645975, 19291950]

約数ペア:

[(1, 19291950), (2, 9645975), (3, 6430650), (5, 3858390), (6, 3215325), (9, 2143550), (10, 1929195), (15, 1286130), (18, 1071775), (25, 771678), (30, 643065), (43, 448650), (45, 428710), (50, 385839), (75, 257226), (86, 224325), (90, 214355), (129, 149550), (150, 128613), (215, 89730), (225, 85742), (258, 74775), (387, 49850), (430, 44865), (450, 42871), (645, 29910), (774, 24925), (997, 19350), (1075, 17946), (1290, 14955), (1935, 9970), (1994, 9675), (2150, 8973), (2991, 6450), (3225, 5982), (3870, 4985)]