18166470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 54604800

約数和(自身を除く): 36438330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 29, 30, 35, 38, 42, 57, 58, 70, 87, 95, 105, 114, 133, 145, 157, 174, 190, 203, 210, 266, 285, 290, 314, 399, 406, 435, 471, 551, 570, 609, 665, 785, 798, 870, 942, 1015, 1099, 1102, 1218, 1330, 1570, 1653, 1995, 2030, 2198, 2355, 2755, 2983, 3045, 3297, 3306, 3857, 3990, 4553, 4710, 5495, 5510, 5966, 6090, 6594, 7714, 8265, 8949, 9106, 10990, 11571, 13659, 14915, 16485, 16530, 17898, 19285, 20881, 22765, 23142, 27318, 29830, 31871, 32970, 38570, 41762, 44745, 45530, 57855, 62643, 63742, 68295, 86507, 89490, 95613, 104405, 115710, 125286, 136590, 159355, 173014, 191226, 208810, 259521, 313215, 318710, 432535, 478065, 519042, 605549, 626430, 865070, 956130, 1211098, 1297605, 1816647, 2595210, 3027745, 3633294, 6055490, 9083235, 18166470]

約数ペア:

[(1, 18166470), (2, 9083235), (3, 6055490), (5, 3633294), (6, 3027745), (7, 2595210), (10, 1816647), (14, 1297605), (15, 1211098), (19, 956130), (21, 865070), (29, 626430), (30, 605549), (35, 519042), (38, 478065), (42, 432535), (57, 318710), (58, 313215), (70, 259521), (87, 208810), (95, 191226), (105, 173014), (114, 159355), (133, 136590), (145, 125286), (157, 115710), (174, 104405), (190, 95613), (203, 89490), (210, 86507), (266, 68295), (285, 63742), (290, 62643), (314, 57855), (399, 45530), (406, 44745), (435, 41762), (471, 38570), (551, 32970), (570, 31871), (609, 29830), (665, 27318), (785, 23142), (798, 22765), (870, 20881), (942, 19285), (1015, 17898), (1099, 16530), (1102, 16485), (1218, 14915), (1330, 13659), (1570, 11571), (1653, 10990), (1995, 9106), (2030, 8949), (2198, 8265), (2355, 7714), (2755, 6594), (2983, 6090), (3045, 5966), (3297, 5510), (3306, 5495), (3857, 4710), (3990, 4553)]