19991986590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1021}}^1\times {\mathrm{8941}}^1$

素因数の和:10045

約数の個数: 64

約数和(自身を含む): 48691121472

約数和(自身を除く): 28699134882

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1021, 1095, 2042, 2190, 3063, 5105, 6126, 8941, 10210, 15315, 17882, 26823, 30630, 44705, 53646, 74533, 89410, 134115, 149066, 223599, 268230, 372665, 447198, 652693, 745330, 1117995, 1305386, 1958079, 2235990, 3263465, 3916158, 6526930, 9128761, 9790395, 18257522, 19580790, 27386283, 45643805, 54772566, 91287610, 136931415, 273862830, 666399553, 1332799106, 1999198659, 3331997765, 3998397318, 6663995530, 9995993295, 19991986590]

約数ペア:

[(1, 19991986590), (2, 9995993295), (3, 6663995530), (5, 3998397318), (6, 3331997765), (10, 1999198659), (15, 1332799106), (30, 666399553), (73, 273862830), (146, 136931415), (219, 91287610), (365, 54772566), (438, 45643805), (730, 27386283), (1021, 19580790), (1095, 18257522), (2042, 9790395), (2190, 9128761), (3063, 6526930), (5105, 3916158), (6126, 3263465), (8941, 2235990), (10210, 1958079), (15315, 1305386), (17882, 1117995), (26823, 745330), (30630, 652693), (44705, 447198), (53646, 372665), (74533, 268230), (89410, 223599), (134115, 149066)]