18218340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:802

約数の個数: 144

約数和(自身を含む): 66568320

約数和(自身を除く): 48349980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 761, 798, 855, 1140, 1197, 1260, 1330, 1522, 1596, 1710, 1995, 2283, 2394, 2660, 3044, 3420, 3805, 3990, 4566, 4788, 5327, 5985, 6849, 7610, 7980, 9132, 10654, 11415, 11970, 13698, 14459, 15220, 15981, 21308, 22830, 23940, 26635, 27396, 28918, 31962, 34245, 43377, 45660, 47943, 53270, 57836, 63924, 68490, 72295, 79905, 86754, 95886, 101213, 106540, 130131, 136980, 144590, 159810, 173508, 191772, 202426, 216885, 239715, 260262, 289180, 303639, 319620, 404852, 433770, 479430, 506065, 520524, 607278, 650655, 867540, 910917, 958860, 1012130, 1214556, 1301310, 1518195, 1821834, 2024260, 2602620, 3036390, 3643668, 4554585, 6072780, 9109170, 18218340]

約数ペア:

[(1, 18218340), (2, 9109170), (3, 6072780), (4, 4554585), (5, 3643668), (6, 3036390), (7, 2602620), (9, 2024260), (10, 1821834), (12, 1518195), (14, 1301310), (15, 1214556), (18, 1012130), (19, 958860), (20, 910917), (21, 867540), (28, 650655), (30, 607278), (35, 520524), (36, 506065), (38, 479430), (42, 433770), (45, 404852), (57, 319620), (60, 303639), (63, 289180), (70, 260262), (76, 239715), (84, 216885), (90, 202426), (95, 191772), (105, 173508), (114, 159810), (126, 144590), (133, 136980), (140, 130131), (171, 106540), (180, 101213), (190, 95886), (210, 86754), (228, 79905), (252, 72295), (266, 68490), (285, 63924), (315, 57836), (342, 53270), (380, 47943), (399, 45660), (420, 43377), (532, 34245), (570, 31962), (630, 28918), (665, 27396), (684, 26635), (761, 23940), (798, 22830), (855, 21308), (1140, 15981), (1197, 15220), (1260, 14459), (1330, 13698), (1522, 11970), (1596, 11415), (1710, 10654), (1995, 9132), (2283, 7980), (2394, 7610), (2660, 6849), (3044, 5985), (3420, 5327), (3805, 4788), (3990, 4566)]