18754890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:404

約数の個数: 128

約数和(自身を含む): 58724352

約数和(自身を除く): 39969462

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 23, 30, 33, 35, 42, 46, 55, 66, 69, 70, 77, 105, 110, 115, 138, 154, 161, 165, 210, 230, 231, 253, 322, 330, 345, 353, 385, 462, 483, 506, 690, 706, 759, 770, 805, 966, 1059, 1155, 1265, 1518, 1610, 1765, 1771, 2118, 2310, 2415, 2471, 2530, 3530, 3542, 3795, 3883, 4830, 4942, 5295, 5313, 7413, 7590, 7766, 8119, 8855, 10590, 10626, 11649, 12355, 14826, 16238, 17710, 19415, 23298, 24357, 24710, 26565, 27181, 37065, 38830, 40595, 48714, 53130, 54362, 56833, 58245, 74130, 81190, 81543, 89309, 113666, 116490, 121785, 135905, 163086, 170499, 178618, 243570, 267927, 271810, 284165, 340998, 407715, 446545, 535854, 568330, 625163, 815430, 852495, 893090, 1250326, 1339635, 1704990, 1875489, 2679270, 3125815, 3750978, 6251630, 9377445, 18754890]

約数ペア:

[(1, 18754890), (2, 9377445), (3, 6251630), (5, 3750978), (6, 3125815), (7, 2679270), (10, 1875489), (11, 1704990), (14, 1339635), (15, 1250326), (21, 893090), (22, 852495), (23, 815430), (30, 625163), (33, 568330), (35, 535854), (42, 446545), (46, 407715), (55, 340998), (66, 284165), (69, 271810), (70, 267927), (77, 243570), (105, 178618), (110, 170499), (115, 163086), (138, 135905), (154, 121785), (161, 116490), (165, 113666), (210, 89309), (230, 81543), (231, 81190), (253, 74130), (322, 58245), (330, 56833), (345, 54362), (353, 53130), (385, 48714), (462, 40595), (483, 38830), (506, 37065), (690, 27181), (706, 26565), (759, 24710), (770, 24357), (805, 23298), (966, 19415), (1059, 17710), (1155, 16238), (1265, 14826), (1518, 12355), (1610, 11649), (1765, 10626), (1771, 10590), (2118, 8855), (2310, 8119), (2415, 7766), (2471, 7590), (2530, 7413), (3530, 5313), (3542, 5295), (3795, 4942), (3883, 4830)]