19089420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 64044288

約数和(自身を除く): 44954868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 151, 172, 196, 210, 215, 245, 258, 294, 301, 302, 420, 430, 453, 490, 516, 588, 602, 604, 645, 735, 755, 860, 903, 906, 980, 1057, 1204, 1290, 1470, 1505, 1510, 1806, 1812, 2107, 2114, 2265, 2580, 2940, 3010, 3020, 3171, 3612, 4214, 4228, 4515, 4530, 5285, 6020, 6321, 6342, 6493, 7399, 8428, 9030, 9060, 10535, 10570, 12642, 12684, 12986, 14798, 15855, 18060, 19479, 21070, 21140, 22197, 25284, 25972, 29596, 31605, 31710, 32465, 36995, 38958, 42140, 44394, 45451, 63210, 63420, 64930, 73990, 77916, 88788, 90902, 97395, 110985, 126420, 129860, 136353, 147980, 181804, 194790, 221970, 227255, 272706, 318157, 389580, 443940, 454510, 545412, 636314, 681765, 909020, 954471, 1272628, 1363530, 1590785, 1908942, 2727060, 3181570, 3817884, 4772355, 6363140, 9544710, 19089420]

約数ペア:

[(1, 19089420), (2, 9544710), (3, 6363140), (4, 4772355), (5, 3817884), (6, 3181570), (7, 2727060), (10, 1908942), (12, 1590785), (14, 1363530), (15, 1272628), (20, 954471), (21, 909020), (28, 681765), (30, 636314), (35, 545412), (42, 454510), (43, 443940), (49, 389580), (60, 318157), (70, 272706), (84, 227255), (86, 221970), (98, 194790), (105, 181804), (129, 147980), (140, 136353), (147, 129860), (151, 126420), (172, 110985), (196, 97395), (210, 90902), (215, 88788), (245, 77916), (258, 73990), (294, 64930), (301, 63420), (302, 63210), (420, 45451), (430, 44394), (453, 42140), (490, 38958), (516, 36995), (588, 32465), (602, 31710), (604, 31605), (645, 29596), (735, 25972), (755, 25284), (860, 22197), (903, 21140), (906, 21070), (980, 19479), (1057, 18060), (1204, 15855), (1290, 14798), (1470, 12986), (1505, 12684), (1510, 12642), (1806, 10570), (1812, 10535), (2107, 9060), (2114, 9030), (2265, 8428), (2580, 7399), (2940, 6493), (3010, 6342), (3020, 6321), (3171, 6020), (3612, 5285), (4214, 4530), (4228, 4515)]