18792270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 58567680

約数和(自身を除く): 39775410

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 61, 63, 70, 90, 105, 122, 126, 135, 163, 183, 189, 210, 270, 305, 315, 326, 366, 378, 427, 489, 549, 610, 630, 815, 854, 915, 945, 978, 1098, 1141, 1281, 1467, 1630, 1647, 1830, 1890, 2135, 2282, 2445, 2562, 2745, 2934, 3294, 3423, 3843, 4270, 4401, 4890, 5490, 5705, 6405, 6846, 7335, 7686, 8235, 8802, 9943, 10269, 11410, 11529, 12810, 14670, 16470, 17115, 19215, 19886, 20538, 22005, 23058, 29829, 30807, 34230, 38430, 44010, 49715, 51345, 57645, 59658, 61614, 69601, 89487, 99430, 102690, 115290, 139202, 149145, 154035, 178974, 208803, 268461, 298290, 308070, 348005, 417606, 447435, 536922, 626409, 696010, 894870, 1044015, 1252818, 1342305, 1879227, 2088030, 2684610, 3132045, 3758454, 6264090, 9396135, 18792270]

約数ペア:

[(1, 18792270), (2, 9396135), (3, 6264090), (5, 3758454), (6, 3132045), (7, 2684610), (9, 2088030), (10, 1879227), (14, 1342305), (15, 1252818), (18, 1044015), (21, 894870), (27, 696010), (30, 626409), (35, 536922), (42, 447435), (45, 417606), (54, 348005), (61, 308070), (63, 298290), (70, 268461), (90, 208803), (105, 178974), (122, 154035), (126, 149145), (135, 139202), (163, 115290), (183, 102690), (189, 99430), (210, 89487), (270, 69601), (305, 61614), (315, 59658), (326, 57645), (366, 51345), (378, 49715), (427, 44010), (489, 38430), (549, 34230), (610, 30807), (630, 29829), (815, 23058), (854, 22005), (915, 20538), (945, 19886), (978, 19215), (1098, 17115), (1141, 16470), (1281, 14670), (1467, 12810), (1630, 11529), (1647, 11410), (1830, 10269), (1890, 9943), (2135, 8802), (2282, 8235), (2445, 7686), (2562, 7335), (2745, 6846), (2934, 6405), (3294, 5705), (3423, 5490), (3843, 4890), (4270, 4401)]