19758690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:496

約数の個数: 96

約数和(自身を含む): 59604480

約数和(自身を除く): 39845790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 79, 90, 105, 126, 158, 210, 237, 315, 395, 397, 474, 553, 630, 711, 790, 794, 1106, 1185, 1191, 1422, 1659, 1985, 2370, 2382, 2765, 2779, 3318, 3555, 3573, 3970, 4977, 5530, 5558, 5955, 7110, 7146, 8295, 8337, 9954, 11910, 13895, 16590, 16674, 17865, 24885, 25011, 27790, 31363, 35730, 41685, 49770, 50022, 62726, 83370, 94089, 125055, 156815, 188178, 219541, 250110, 282267, 313630, 439082, 470445, 564534, 658623, 940890, 1097705, 1317246, 1411335, 1975869, 2195410, 2822670, 3293115, 3951738, 6586230, 9879345, 19758690]

約数ペア:

[(1, 19758690), (2, 9879345), (3, 6586230), (5, 3951738), (6, 3293115), (7, 2822670), (9, 2195410), (10, 1975869), (14, 1411335), (15, 1317246), (18, 1097705), (21, 940890), (30, 658623), (35, 564534), (42, 470445), (45, 439082), (63, 313630), (70, 282267), (79, 250110), (90, 219541), (105, 188178), (126, 156815), (158, 125055), (210, 94089), (237, 83370), (315, 62726), (395, 50022), (397, 49770), (474, 41685), (553, 35730), (630, 31363), (711, 27790), (790, 25011), (794, 24885), (1106, 17865), (1185, 16674), (1191, 16590), (1422, 13895), (1659, 11910), (1985, 9954), (2370, 8337), (2382, 8295), (2765, 7146), (2779, 7110), (3318, 5955), (3555, 5558), (3573, 5530), (3970, 4977)]