18520110

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 39540690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 41, 42, 45, 54, 63, 70, 82, 90, 105, 123, 126, 135, 189, 205, 210, 239, 246, 270, 287, 315, 369, 378, 410, 478, 574, 615, 630, 717, 738, 861, 945, 1107, 1195, 1230, 1434, 1435, 1673, 1722, 1845, 1890, 2151, 2214, 2390, 2583, 2870, 3346, 3585, 3690, 4302, 4305, 5019, 5166, 5535, 6453, 7170, 7749, 8365, 8610, 9799, 10038, 10755, 11070, 12906, 12915, 15057, 15498, 16730, 19598, 21510, 25095, 25830, 29397, 30114, 32265, 38745, 45171, 48995, 50190, 58794, 64530, 68593, 75285, 77490, 88191, 90342, 97990, 137186, 146985, 150570, 176382, 205779, 225855, 264573, 293970, 342965, 411558, 440955, 451710, 529146, 617337, 685930, 881910, 1028895, 1234674, 1322865, 1852011, 2057790, 2645730, 3086685, 3704022, 6173370, 9260055, 18520110]

約数ペア:

[(1, 18520110), (2, 9260055), (3, 6173370), (5, 3704022), (6, 3086685), (7, 2645730), (9, 2057790), (10, 1852011), (14, 1322865), (15, 1234674), (18, 1028895), (21, 881910), (27, 685930), (30, 617337), (35, 529146), (41, 451710), (42, 440955), (45, 411558), (54, 342965), (63, 293970), (70, 264573), (82, 225855), (90, 205779), (105, 176382), (123, 150570), (126, 146985), (135, 137186), (189, 97990), (205, 90342), (210, 88191), (239, 77490), (246, 75285), (270, 68593), (287, 64530), (315, 58794), (369, 50190), (378, 48995), (410, 45171), (478, 38745), (574, 32265), (615, 30114), (630, 29397), (717, 25830), (738, 25095), (861, 21510), (945, 19598), (1107, 16730), (1195, 15498), (1230, 15057), (1434, 12915), (1435, 12906), (1673, 11070), (1722, 10755), (1845, 10038), (1890, 9799), (2151, 8610), (2214, 8365), (2390, 7749), (2583, 7170), (2870, 6453), (3346, 5535), (3585, 5166), (3690, 5019), (4302, 4305)]