19125680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:92

約数の個数: 160

約数和(自身を含む): 56246400

約数和(自身を除く): 37120720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 41, 49, 56, 68, 70, 80, 82, 85, 98, 112, 119, 136, 140, 164, 170, 196, 205, 238, 245, 272, 280, 287, 328, 340, 343, 392, 410, 476, 490, 560, 574, 595, 656, 680, 686, 697, 784, 820, 833, 952, 980, 1148, 1190, 1360, 1372, 1394, 1435, 1640, 1666, 1715, 1904, 1960, 2009, 2296, 2380, 2744, 2788, 2870, 3280, 3332, 3430, 3485, 3920, 4018, 4165, 4592, 4760, 4879, 5488, 5576, 5740, 5831, 6664, 6860, 6970, 8036, 8330, 9520, 9758, 10045, 11152, 11480, 11662, 13328, 13720, 13940, 14063, 16072, 16660, 19516, 20090, 22960, 23324, 24395, 27440, 27880, 28126, 29155, 32144, 33320, 34153, 39032, 40180, 46648, 48790, 55760, 56252, 58310, 66640, 68306, 70315, 78064, 80360, 93296, 97580, 112504, 116620, 136612, 140630, 160720, 170765, 195160, 225008, 233240, 239071, 273224, 281260, 341530, 390320, 466480, 478142, 546448, 562520, 683060, 956284, 1125040, 1195355, 1366120, 1912568, 2390710, 2732240, 3825136, 4781420, 9562840, 19125680]

約数ペア:

[(1, 19125680), (2, 9562840), (4, 4781420), (5, 3825136), (7, 2732240), (8, 2390710), (10, 1912568), (14, 1366120), (16, 1195355), (17, 1125040), (20, 956284), (28, 683060), (34, 562520), (35, 546448), (40, 478142), (41, 466480), (49, 390320), (56, 341530), (68, 281260), (70, 273224), (80, 239071), (82, 233240), (85, 225008), (98, 195160), (112, 170765), (119, 160720), (136, 140630), (140, 136612), (164, 116620), (170, 112504), (196, 97580), (205, 93296), (238, 80360), (245, 78064), (272, 70315), (280, 68306), (287, 66640), (328, 58310), (340, 56252), (343, 55760), (392, 48790), (410, 46648), (476, 40180), (490, 39032), (560, 34153), (574, 33320), (595, 32144), (656, 29155), (680, 28126), (686, 27880), (697, 27440), (784, 24395), (820, 23324), (833, 22960), (952, 20090), (980, 19516), (1148, 16660), (1190, 16072), (1360, 14063), (1372, 13940), (1394, 13720), (1435, 13328), (1640, 11662), (1666, 11480), (1715, 11152), (1904, 10045), (1960, 9758), (2009, 9520), (2296, 8330), (2380, 8036), (2744, 6970), (2788, 6860), (2870, 6664), (3280, 5831), (3332, 5740), (3430, 5576), (3485, 5488), (3920, 4879), (4018, 4760), (4165, 4592)]