18141840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:286

約数の個数: 160

約数和(自身を含む): 64460160

約数和(自身を除く): 46318320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 108, 111, 120, 135, 144, 148, 180, 185, 216, 222, 227, 240, 270, 296, 333, 360, 370, 432, 444, 454, 540, 555, 592, 666, 681, 720, 740, 888, 908, 999, 1080, 1110, 1135, 1332, 1362, 1480, 1665, 1776, 1816, 1998, 2043, 2160, 2220, 2270, 2664, 2724, 2960, 3330, 3405, 3632, 3996, 4086, 4440, 4540, 4995, 5328, 5448, 6129, 6660, 6810, 7992, 8172, 8399, 8880, 9080, 9990, 10215, 10896, 12258, 13320, 13620, 15984, 16344, 16798, 18160, 19980, 20430, 24516, 25197, 26640, 27240, 30645, 32688, 33596, 39960, 40860, 41995, 49032, 50394, 54480, 61290, 67192, 75591, 79920, 81720, 83990, 98064, 100788, 122580, 125985, 134384, 151182, 163440, 167980, 201576, 226773, 245160, 251970, 302364, 335960, 377955, 403152, 453546, 490320, 503940, 604728, 671920, 755910, 907092, 1007880, 1133865, 1209456, 1511820, 1814184, 2015760, 2267730, 3023640, 3628368, 4535460, 6047280, 9070920, 18141840]

約数ペア:

[(1, 18141840), (2, 9070920), (3, 6047280), (4, 4535460), (5, 3628368), (6, 3023640), (8, 2267730), (9, 2015760), (10, 1814184), (12, 1511820), (15, 1209456), (16, 1133865), (18, 1007880), (20, 907092), (24, 755910), (27, 671920), (30, 604728), (36, 503940), (37, 490320), (40, 453546), (45, 403152), (48, 377955), (54, 335960), (60, 302364), (72, 251970), (74, 245160), (80, 226773), (90, 201576), (108, 167980), (111, 163440), (120, 151182), (135, 134384), (144, 125985), (148, 122580), (180, 100788), (185, 98064), (216, 83990), (222, 81720), (227, 79920), (240, 75591), (270, 67192), (296, 61290), (333, 54480), (360, 50394), (370, 49032), (432, 41995), (444, 40860), (454, 39960), (540, 33596), (555, 32688), (592, 30645), (666, 27240), (681, 26640), (720, 25197), (740, 24516), (888, 20430), (908, 19980), (999, 18160), (1080, 16798), (1110, 16344), (1135, 15984), (1332, 13620), (1362, 13320), (1480, 12258), (1665, 10896), (1776, 10215), (1816, 9990), (1998, 9080), (2043, 8880), (2160, 8399), (2220, 8172), (2270, 7992), (2664, 6810), (2724, 6660), (2960, 6129), (3330, 5448), (3405, 5328), (3632, 4995), (3996, 4540), (4086, 4440)]