19259940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6551}}^1$

素因数の和:6577

約数の個数: 72

約数和(自身を含む): 62741952

約数和(自身を除く): 43482012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6551, 13102, 19653, 26204, 32755, 39306, 45857, 65510, 78612, 91714, 98265, 131020, 137571, 183428, 196530, 229285, 275142, 320999, 393060, 458570, 550284, 641998, 687855, 917140, 962997, 1283996, 1375710, 1604995, 1925994, 2751420, 3209990, 3851988, 4814985, 6419980, 9629970, 19259940]

約数ペア:

[(1, 19259940), (2, 9629970), (3, 6419980), (4, 4814985), (5, 3851988), (6, 3209990), (7, 2751420), (10, 1925994), (12, 1604995), (14, 1375710), (15, 1283996), (20, 962997), (21, 917140), (28, 687855), (30, 641998), (35, 550284), (42, 458570), (49, 393060), (60, 320999), (70, 275142), (84, 229285), (98, 196530), (105, 183428), (140, 137571), (147, 131020), (196, 98265), (210, 91714), (245, 78612), (294, 65510), (420, 45857), (490, 39306), (588, 32755), (735, 26204), (980, 19653), (1470, 13102), (2940, 6551)]