18485970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 47765376

約数和(自身を除く): 29279406

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 67, 85, 102, 134, 170, 201, 255, 335, 402, 510, 541, 670, 1005, 1082, 1139, 1623, 2010, 2278, 2705, 3246, 3417, 5410, 5695, 6834, 8115, 9197, 11390, 16230, 17085, 18394, 27591, 34170, 36247, 45985, 55182, 72494, 91970, 108741, 137955, 181235, 217482, 275910, 362470, 543705, 616199, 1087410, 1232398, 1848597, 3080995, 3697194, 6161990, 9242985, 18485970]

約数ペア:

[(1, 18485970), (2, 9242985), (3, 6161990), (5, 3697194), (6, 3080995), (10, 1848597), (15, 1232398), (17, 1087410), (30, 616199), (34, 543705), (51, 362470), (67, 275910), (85, 217482), (102, 181235), (134, 137955), (170, 108741), (201, 91970), (255, 72494), (335, 55182), (402, 45985), (510, 36247), (541, 34170), (670, 27591), (1005, 18394), (1082, 17085), (1139, 16230), (1623, 11390), (2010, 9197), (2278, 8115), (2705, 6834), (3246, 5695), (3417, 5410)]