19928340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5827}}^1$

素因数の和:5861

約数の個数: 72

約数和(自身を含む): 63641760

約数和(自身を除く): 43713420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5827, 11654, 17481, 23308, 29135, 34962, 52443, 58270, 69924, 87405, 104886, 110713, 116540, 174810, 209772, 221426, 262215, 332139, 349620, 442852, 524430, 553565, 664278, 996417, 1048860, 1107130, 1328556, 1660695, 1992834, 2214260, 3321390, 3985668, 4982085, 6642780, 9964170, 19928340]

約数ペア:

[(1, 19928340), (2, 9964170), (3, 6642780), (4, 4982085), (5, 3985668), (6, 3321390), (9, 2214260), (10, 1992834), (12, 1660695), (15, 1328556), (18, 1107130), (19, 1048860), (20, 996417), (30, 664278), (36, 553565), (38, 524430), (45, 442852), (57, 349620), (60, 332139), (76, 262215), (90, 221426), (95, 209772), (114, 174810), (171, 116540), (180, 110713), (190, 104886), (228, 87405), (285, 69924), (342, 58270), (380, 52443), (570, 34962), (684, 29135), (855, 23308), (1140, 17481), (1710, 11654), (3420, 5827)]