18606700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1399}}^1$

素因数の和:1439

約数の個数: 72

約数和(自身を含む): 48608000

約数和(自身を除く): 30001300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1399, 1900, 2660, 2798, 3325, 5596, 6650, 6995, 9793, 13300, 13990, 19586, 26581, 27980, 34975, 39172, 48965, 53162, 69950, 97930, 106324, 132905, 139900, 186067, 195860, 244825, 265810, 372134, 489650, 531620, 664525, 744268, 930335, 979300, 1329050, 1860670, 2658100, 3721340, 4651675, 9303350, 18606700]

約数ペア:

[(1, 18606700), (2, 9303350), (4, 4651675), (5, 3721340), (7, 2658100), (10, 1860670), (14, 1329050), (19, 979300), (20, 930335), (25, 744268), (28, 664525), (35, 531620), (38, 489650), (50, 372134), (70, 265810), (76, 244825), (95, 195860), (100, 186067), (133, 139900), (140, 132905), (175, 106324), (190, 97930), (266, 69950), (350, 53162), (380, 48965), (475, 39172), (532, 34975), (665, 27980), (700, 26581), (950, 19586), (1330, 13990), (1399, 13300), (1900, 9793), (2660, 6995), (2798, 6650), (3325, 5596)]