19394820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 63685440

約数和(自身を除く): 44290620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 53, 57, 60, 76, 90, 95, 106, 107, 114, 159, 171, 180, 190, 212, 214, 228, 265, 285, 318, 321, 342, 380, 428, 477, 530, 535, 570, 636, 642, 684, 795, 855, 954, 963, 1007, 1060, 1070, 1140, 1284, 1590, 1605, 1710, 1908, 1926, 2014, 2033, 2140, 2385, 3021, 3180, 3210, 3420, 3852, 4028, 4066, 4770, 4815, 5035, 5671, 6042, 6099, 6420, 8132, 9063, 9540, 9630, 10070, 10165, 11342, 12084, 12198, 15105, 17013, 18126, 18297, 19260, 20140, 20330, 22684, 24396, 28355, 30210, 30495, 34026, 36252, 36594, 40660, 45315, 51039, 56710, 60420, 60990, 68052, 73188, 85065, 90630, 91485, 102078, 107749, 113420, 121980, 170130, 181260, 182970, 204156, 215498, 255195, 323247, 340260, 365940, 430996, 510390, 538745, 646494, 969741, 1020780, 1077490, 1292988, 1616235, 1939482, 2154980, 3232470, 3878964, 4848705, 6464940, 9697410, 19394820]

約数ペア:

[(1, 19394820), (2, 9697410), (3, 6464940), (4, 4848705), (5, 3878964), (6, 3232470), (9, 2154980), (10, 1939482), (12, 1616235), (15, 1292988), (18, 1077490), (19, 1020780), (20, 969741), (30, 646494), (36, 538745), (38, 510390), (45, 430996), (53, 365940), (57, 340260), (60, 323247), (76, 255195), (90, 215498), (95, 204156), (106, 182970), (107, 181260), (114, 170130), (159, 121980), (171, 113420), (180, 107749), (190, 102078), (212, 91485), (214, 90630), (228, 85065), (265, 73188), (285, 68052), (318, 60990), (321, 60420), (342, 56710), (380, 51039), (428, 45315), (477, 40660), (530, 36594), (535, 36252), (570, 34026), (636, 30495), (642, 30210), (684, 28355), (795, 24396), (855, 22684), (954, 20330), (963, 20140), (1007, 19260), (1060, 18297), (1070, 18126), (1140, 17013), (1284, 15105), (1590, 12198), (1605, 12084), (1710, 11342), (1908, 10165), (1926, 10070), (2014, 9630), (2033, 9540), (2140, 9063), (2385, 8132), (3021, 6420), (3180, 6099), (3210, 6042), (3420, 5671), (3852, 5035), (4028, 4815), (4066, 4770)]