18431550

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 54027792

約数和(自身を除く): 35596242

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 37, 41, 45, 50, 54, 74, 75, 81, 82, 90, 111, 123, 135, 150, 162, 185, 205, 222, 225, 243, 246, 270, 333, 369, 370, 405, 410, 450, 486, 555, 615, 666, 675, 738, 810, 925, 999, 1025, 1107, 1110, 1215, 1230, 1350, 1517, 1665, 1845, 1850, 1998, 2025, 2050, 2214, 2430, 2775, 2997, 3034, 3075, 3321, 3330, 3690, 4050, 4551, 4995, 5535, 5550, 5994, 6075, 6150, 6642, 7585, 8325, 8991, 9102, 9225, 9963, 9990, 11070, 12150, 13653, 14985, 15170, 16605, 16650, 17982, 18450, 19926, 22755, 24975, 27306, 27675, 29970, 33210, 37925, 40959, 44955, 45510, 49815, 49950, 55350, 68265, 74925, 75850, 81918, 83025, 89910, 99630, 113775, 122877, 136530, 149850, 166050, 204795, 224775, 227550, 245754, 249075, 341325, 368631, 409590, 449550, 498150, 614385, 682650, 737262, 1023975, 1228770, 1843155, 2047950, 3071925, 3686310, 6143850, 9215775, 18431550]

約数ペア:

[(1, 18431550), (2, 9215775), (3, 6143850), (5, 3686310), (6, 3071925), (9, 2047950), (10, 1843155), (15, 1228770), (18, 1023975), (25, 737262), (27, 682650), (30, 614385), (37, 498150), (41, 449550), (45, 409590), (50, 368631), (54, 341325), (74, 249075), (75, 245754), (81, 227550), (82, 224775), (90, 204795), (111, 166050), (123, 149850), (135, 136530), (150, 122877), (162, 113775), (185, 99630), (205, 89910), (222, 83025), (225, 81918), (243, 75850), (246, 74925), (270, 68265), (333, 55350), (369, 49950), (370, 49815), (405, 45510), (410, 44955), (450, 40959), (486, 37925), (555, 33210), (615, 29970), (666, 27675), (675, 27306), (738, 24975), (810, 22755), (925, 19926), (999, 18450), (1025, 17982), (1107, 16650), (1110, 16605), (1215, 15170), (1230, 14985), (1350, 13653), (1517, 12150), (1665, 11070), (1845, 9990), (1850, 9963), (1998, 9225), (2025, 9102), (2050, 8991), (2214, 8325), (2430, 7585), (2775, 6642), (2997, 6150), (3034, 6075), (3075, 5994), (3321, 5550), (3330, 5535), (3690, 4995), (4050, 4551)]