18860820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 62524224

約数和(自身を除く): 43663404

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 41, 44, 51, 55, 60, 66, 68, 82, 85, 102, 110, 123, 132, 164, 165, 170, 187, 204, 205, 220, 246, 255, 330, 340, 374, 410, 451, 492, 510, 561, 615, 660, 697, 748, 820, 902, 935, 1020, 1122, 1230, 1353, 1394, 1681, 1804, 1870, 2091, 2244, 2255, 2460, 2706, 2788, 2805, 3362, 3485, 3740, 4182, 4510, 5043, 5412, 5610, 6724, 6765, 6970, 7667, 8364, 8405, 9020, 10086, 10455, 11220, 13530, 13940, 15334, 16810, 18491, 20172, 20910, 23001, 25215, 27060, 28577, 30668, 33620, 36982, 38335, 41820, 46002, 50430, 55473, 57154, 73964, 76670, 85731, 92004, 92455, 100860, 110946, 114308, 115005, 142885, 153340, 171462, 184910, 221892, 230010, 277365, 285770, 314347, 342924, 369820, 428655, 460020, 554730, 571540, 628694, 857310, 943041, 1109460, 1257388, 1571735, 1714620, 1886082, 3143470, 3772164, 4715205, 6286940, 9430410, 18860820]

約数ペア:

[(1, 18860820), (2, 9430410), (3, 6286940), (4, 4715205), (5, 3772164), (6, 3143470), (10, 1886082), (11, 1714620), (12, 1571735), (15, 1257388), (17, 1109460), (20, 943041), (22, 857310), (30, 628694), (33, 571540), (34, 554730), (41, 460020), (44, 428655), (51, 369820), (55, 342924), (60, 314347), (66, 285770), (68, 277365), (82, 230010), (85, 221892), (102, 184910), (110, 171462), (123, 153340), (132, 142885), (164, 115005), (165, 114308), (170, 110946), (187, 100860), (204, 92455), (205, 92004), (220, 85731), (246, 76670), (255, 73964), (330, 57154), (340, 55473), (374, 50430), (410, 46002), (451, 41820), (492, 38335), (510, 36982), (561, 33620), (615, 30668), (660, 28577), (697, 27060), (748, 25215), (820, 23001), (902, 20910), (935, 20172), (1020, 18491), (1122, 16810), (1230, 15334), (1353, 13940), (1394, 13530), (1681, 11220), (1804, 10455), (1870, 10086), (2091, 9020), (2244, 8405), (2255, 8364), (2460, 7667), (2706, 6970), (2788, 6765), (2805, 6724), (3362, 5610), (3485, 5412), (3740, 5043), (4182, 4510)]