18849420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 62112960

約数和(自身を除く): 43263540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 29, 30, 36, 45, 46, 58, 60, 69, 87, 90, 92, 115, 116, 138, 145, 157, 174, 180, 207, 230, 261, 276, 290, 314, 345, 348, 414, 435, 460, 471, 522, 580, 628, 667, 690, 785, 828, 870, 942, 1035, 1044, 1305, 1334, 1380, 1413, 1570, 1740, 1884, 2001, 2070, 2355, 2610, 2668, 2826, 3140, 3335, 3611, 4002, 4140, 4553, 4710, 5220, 5652, 6003, 6670, 7065, 7222, 8004, 9106, 9420, 10005, 10833, 12006, 13340, 13659, 14130, 14444, 18055, 18212, 20010, 21666, 22765, 24012, 27318, 28260, 30015, 32499, 36110, 40020, 40977, 43332, 45530, 54165, 54636, 60030, 64998, 68295, 72220, 81954, 91060, 104719, 108330, 120060, 129996, 136590, 162495, 163908, 204885, 209438, 216660, 273180, 314157, 324990, 409770, 418876, 523595, 628314, 649980, 819540, 942471, 1047190, 1256628, 1570785, 1884942, 2094380, 3141570, 3769884, 4712355, 6283140, 9424710, 18849420]

約数ペア:

[(1, 18849420), (2, 9424710), (3, 6283140), (4, 4712355), (5, 3769884), (6, 3141570), (9, 2094380), (10, 1884942), (12, 1570785), (15, 1256628), (18, 1047190), (20, 942471), (23, 819540), (29, 649980), (30, 628314), (36, 523595), (45, 418876), (46, 409770), (58, 324990), (60, 314157), (69, 273180), (87, 216660), (90, 209438), (92, 204885), (115, 163908), (116, 162495), (138, 136590), (145, 129996), (157, 120060), (174, 108330), (180, 104719), (207, 91060), (230, 81954), (261, 72220), (276, 68295), (290, 64998), (314, 60030), (345, 54636), (348, 54165), (414, 45530), (435, 43332), (460, 40977), (471, 40020), (522, 36110), (580, 32499), (628, 30015), (667, 28260), (690, 27318), (785, 24012), (828, 22765), (870, 21666), (942, 20010), (1035, 18212), (1044, 18055), (1305, 14444), (1334, 14130), (1380, 13659), (1413, 13340), (1570, 12006), (1740, 10833), (1884, 10005), (2001, 9420), (2070, 9106), (2355, 8004), (2610, 7222), (2668, 7065), (2826, 6670), (3140, 6003), (3335, 5652), (3611, 5220), (4002, 4710), (4140, 4553)]