19747530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 58924800

約数和(自身を除く): 39177270

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 61, 66, 90, 99, 109, 110, 122, 135, 165, 183, 198, 218, 270, 297, 305, 327, 330, 366, 495, 545, 549, 594, 610, 654, 671, 915, 981, 990, 1090, 1098, 1199, 1342, 1485, 1635, 1647, 1830, 1962, 2013, 2398, 2745, 2943, 2970, 3270, 3294, 3355, 3597, 4026, 4905, 5490, 5886, 5995, 6039, 6649, 6710, 7194, 8235, 9810, 10065, 10791, 11990, 12078, 13298, 14715, 16470, 17985, 18117, 19947, 20130, 21582, 29430, 30195, 32373, 33245, 35970, 36234, 39894, 53955, 59841, 60390, 64746, 66490, 73139, 90585, 99735, 107910, 119682, 146278, 161865, 179523, 181170, 199470, 219417, 299205, 323730, 359046, 365695, 438834, 598410, 658251, 731390, 897615, 1097085, 1316502, 1795230, 1974753, 2194170, 3291255, 3949506, 6582510, 9873765, 19747530]

約数ペア:

[(1, 19747530), (2, 9873765), (3, 6582510), (5, 3949506), (6, 3291255), (9, 2194170), (10, 1974753), (11, 1795230), (15, 1316502), (18, 1097085), (22, 897615), (27, 731390), (30, 658251), (33, 598410), (45, 438834), (54, 365695), (55, 359046), (61, 323730), (66, 299205), (90, 219417), (99, 199470), (109, 181170), (110, 179523), (122, 161865), (135, 146278), (165, 119682), (183, 107910), (198, 99735), (218, 90585), (270, 73139), (297, 66490), (305, 64746), (327, 60390), (330, 59841), (366, 53955), (495, 39894), (545, 36234), (549, 35970), (594, 33245), (610, 32373), (654, 30195), (671, 29430), (915, 21582), (981, 20130), (990, 19947), (1090, 18117), (1098, 17985), (1199, 16470), (1342, 14715), (1485, 13298), (1635, 12078), (1647, 11990), (1830, 10791), (1962, 10065), (2013, 9810), (2398, 8235), (2745, 7194), (2943, 6710), (2970, 6649), (3270, 6039), (3294, 5995), (3355, 5886), (3597, 5490), (4026, 4905)]