19827420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 38233380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 79, 89, 94, 141, 158, 178, 188, 235, 237, 267, 282, 316, 356, 395, 445, 470, 474, 534, 564, 705, 790, 890, 940, 948, 1068, 1185, 1335, 1410, 1580, 1780, 2370, 2670, 2820, 3713, 4183, 4740, 5340, 7031, 7426, 8366, 11139, 12549, 14062, 14852, 16732, 18565, 20915, 21093, 22278, 25098, 28124, 35155, 37130, 41830, 42186, 44556, 50196, 55695, 62745, 70310, 74260, 83660, 84372, 105465, 111390, 125490, 140620, 210930, 222780, 250980, 330457, 421860, 660914, 991371, 1321828, 1652285, 1982742, 3304570, 3965484, 4956855, 6609140, 9913710, 19827420]

約数ペア:

[(1, 19827420), (2, 9913710), (3, 6609140), (4, 4956855), (5, 3965484), (6, 3304570), (10, 1982742), (12, 1652285), (15, 1321828), (20, 991371), (30, 660914), (47, 421860), (60, 330457), (79, 250980), (89, 222780), (94, 210930), (141, 140620), (158, 125490), (178, 111390), (188, 105465), (235, 84372), (237, 83660), (267, 74260), (282, 70310), (316, 62745), (356, 55695), (395, 50196), (445, 44556), (470, 42186), (474, 41830), (534, 37130), (564, 35155), (705, 28124), (790, 25098), (890, 22278), (940, 21093), (948, 20915), (1068, 18565), (1185, 16732), (1335, 14852), (1410, 14062), (1580, 12549), (1780, 11139), (2370, 8366), (2670, 7426), (2820, 7031), (3713, 5340), (4183, 4740)]