18817470

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 60501168

約数和(自身を除く): 41683698

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 49, 51, 63, 70, 85, 90, 98, 102, 105, 119, 126, 147, 153, 170, 210, 238, 245, 251, 255, 294, 306, 315, 357, 441, 490, 502, 510, 595, 630, 714, 735, 753, 765, 833, 882, 1071, 1190, 1255, 1470, 1506, 1530, 1666, 1757, 1785, 2142, 2205, 2259, 2499, 2510, 3514, 3570, 3765, 4165, 4267, 4410, 4518, 4998, 5271, 5355, 7497, 7530, 8330, 8534, 8785, 10542, 10710, 11295, 12299, 12495, 12801, 14994, 15813, 17570, 21335, 22590, 24598, 24990, 25602, 26355, 29869, 31626, 36897, 37485, 38403, 42670, 52710, 59738, 61495, 64005, 73794, 74970, 76806, 79065, 89607, 110691, 122990, 128010, 149345, 158130, 179214, 184485, 192015, 209083, 221382, 268821, 298690, 368970, 384030, 418166, 448035, 537642, 553455, 627249, 896070, 1045415, 1106910, 1254498, 1344105, 1881747, 2090830, 2688210, 3136245, 3763494, 6272490, 9408735, 18817470]

約数ペア:

[(1, 18817470), (2, 9408735), (3, 6272490), (5, 3763494), (6, 3136245), (7, 2688210), (9, 2090830), (10, 1881747), (14, 1344105), (15, 1254498), (17, 1106910), (18, 1045415), (21, 896070), (30, 627249), (34, 553455), (35, 537642), (42, 448035), (45, 418166), (49, 384030), (51, 368970), (63, 298690), (70, 268821), (85, 221382), (90, 209083), (98, 192015), (102, 184485), (105, 179214), (119, 158130), (126, 149345), (147, 128010), (153, 122990), (170, 110691), (210, 89607), (238, 79065), (245, 76806), (251, 74970), (255, 73794), (294, 64005), (306, 61495), (315, 59738), (357, 52710), (441, 42670), (490, 38403), (502, 37485), (510, 36897), (595, 31626), (630, 29869), (714, 26355), (735, 25602), (753, 24990), (765, 24598), (833, 22590), (882, 21335), (1071, 17570), (1190, 15813), (1255, 14994), (1470, 12801), (1506, 12495), (1530, 12299), (1666, 11295), (1757, 10710), (1785, 10542), (2142, 8785), (2205, 8534), (2259, 8330), (2499, 7530), (2510, 7497), (3514, 5355), (3570, 5271), (3765, 4998), (4165, 4518), (4267, 4410)]