19203990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1201}}^1$

素因数の和:1265

約数の個数: 64

約数和(自身を含む): 50887872

約数和(自身を除く): 31683882

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1201, 1230, 1599, 2402, 2665, 3198, 3603, 5330, 6005, 7206, 7995, 12010, 15613, 15990, 18015, 31226, 36030, 46839, 49241, 78065, 93678, 98482, 147723, 156130, 234195, 246205, 295446, 468390, 492410, 640133, 738615, 1280266, 1477230, 1920399, 3200665, 3840798, 6401330, 9601995, 19203990]

約数ペア:

[(1, 19203990), (2, 9601995), (3, 6401330), (5, 3840798), (6, 3200665), (10, 1920399), (13, 1477230), (15, 1280266), (26, 738615), (30, 640133), (39, 492410), (41, 468390), (65, 295446), (78, 246205), (82, 234195), (123, 156130), (130, 147723), (195, 98482), (205, 93678), (246, 78065), (390, 49241), (410, 46839), (533, 36030), (615, 31226), (1066, 18015), (1201, 15990), (1230, 15613), (1599, 12010), (2402, 7995), (2665, 7206), (3198, 6005), (3603, 5330)]