19290420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 60681600

約数和(自身を除く): 41391180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 139, 180, 257, 270, 278, 417, 514, 540, 556, 695, 771, 834, 1028, 1251, 1285, 1390, 1542, 1668, 2085, 2313, 2502, 2570, 2780, 3084, 3753, 3855, 4170, 4626, 5004, 5140, 6255, 6939, 7506, 7710, 8340, 9252, 11565, 12510, 13878, 15012, 15420, 18765, 23130, 25020, 27756, 34695, 35723, 37530, 46260, 69390, 71446, 75060, 107169, 138780, 142892, 178615, 214338, 321507, 357230, 428676, 535845, 643014, 714460, 964521, 1071690, 1286028, 1607535, 1929042, 2143380, 3215070, 3858084, 4822605, 6430140, 9645210, 19290420]

約数ペア:

[(1, 19290420), (2, 9645210), (3, 6430140), (4, 4822605), (5, 3858084), (6, 3215070), (9, 2143380), (10, 1929042), (12, 1607535), (15, 1286028), (18, 1071690), (20, 964521), (27, 714460), (30, 643014), (36, 535845), (45, 428676), (54, 357230), (60, 321507), (90, 214338), (108, 178615), (135, 142892), (139, 138780), (180, 107169), (257, 75060), (270, 71446), (278, 69390), (417, 46260), (514, 37530), (540, 35723), (556, 34695), (695, 27756), (771, 25020), (834, 23130), (1028, 18765), (1251, 15420), (1285, 15012), (1390, 13878), (1542, 12510), (1668, 11565), (2085, 9252), (2313, 8340), (2502, 7710), (2570, 7506), (2780, 6939), (3084, 6255), (3753, 5140), (3855, 5004), (4170, 4626)]