19439715

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 34115328

約数和(自身を除く): 14675613

約数列:

[1, 3, 5, 15, 23, 29, 67, 69, 87, 115, 145, 201, 335, 345, 435, 667, 841, 1005, 1541, 1943, 2001, 2523, 3335, 4205, 4623, 5829, 7705, 9715, 10005, 12615, 19343, 23115, 29145, 44689, 56347, 58029, 96715, 134067, 169041, 223445, 281735, 290145, 670335, 845205, 1295981, 3887943, 6479905, 19439715]

約数ペア:

[(1, 19439715), (3, 6479905), (5, 3887943), (15, 1295981), (23, 845205), (29, 670335), (67, 290145), (69, 281735), (87, 223445), (115, 169041), (145, 134067), (201, 96715), (335, 58029), (345, 56347), (435, 44689), (667, 29145), (841, 23115), (1005, 19343), (1541, 12615), (1943, 10005), (2001, 9715), (2523, 7705), (3335, 5829), (4205, 4623)]