19166580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{457}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 58515912

約数和(自身を除く): 39349332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 233, 457, 466, 699, 914, 932, 1165, 1371, 1398, 1828, 2097, 2285, 2330, 2742, 2796, 3495, 4113, 4194, 4570, 4660, 5484, 6855, 6990, 8226, 8388, 9140, 10485, 13710, 13980, 16452, 20565, 20970, 27420, 41130, 41940, 82260, 106481, 212962, 319443, 425924, 532405, 638886, 958329, 1064810, 1277772, 1597215, 1916658, 2129620, 3194430, 3833316, 4791645, 6388860, 9583290, 19166580]

約数ペア:

[(1, 19166580), (2, 9583290), (3, 6388860), (4, 4791645), (5, 3833316), (6, 3194430), (9, 2129620), (10, 1916658), (12, 1597215), (15, 1277772), (18, 1064810), (20, 958329), (30, 638886), (36, 532405), (45, 425924), (60, 319443), (90, 212962), (180, 106481), (233, 82260), (457, 41940), (466, 41130), (699, 27420), (914, 20970), (932, 20565), (1165, 16452), (1371, 13980), (1398, 13710), (1828, 10485), (2097, 9140), (2285, 8388), (2330, 8226), (2742, 6990), (2796, 6855), (3495, 5484), (4113, 4660), (4194, 4570)]