19396215

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 35380800

約数和(自身を除く): 15984585

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 89, 145, 167, 261, 267, 435, 445, 501, 801, 835, 1305, 1335, 1503, 2505, 2581, 4005, 4843, 7515, 7743, 12905, 14529, 14863, 23229, 24215, 38715, 43587, 44589, 72645, 74315, 116145, 133767, 217935, 222945, 431027, 668835, 1293081, 2155135, 3879243, 6465405, 19396215]

約数ペア:

[(1, 19396215), (3, 6465405), (5, 3879243), (9, 2155135), (15, 1293081), (29, 668835), (45, 431027), (87, 222945), (89, 217935), (145, 133767), (167, 116145), (261, 74315), (267, 72645), (435, 44589), (445, 43587), (501, 38715), (801, 24215), (835, 23229), (1305, 14863), (1335, 14529), (1503, 12905), (2505, 7743), (2581, 7515), (4005, 4843)]