19802370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:752

約数の個数: 96

約数和(自身を含む): 58276800

約数和(自身を除く): 38474430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 49, 57, 70, 95, 98, 105, 114, 133, 147, 190, 210, 245, 266, 285, 294, 399, 490, 570, 665, 709, 735, 798, 931, 1330, 1418, 1470, 1862, 1995, 2127, 2793, 3545, 3990, 4254, 4655, 4963, 5586, 7090, 9310, 9926, 10635, 13471, 13965, 14889, 21270, 24815, 26942, 27930, 29778, 34741, 40413, 49630, 67355, 69482, 74445, 80826, 94297, 104223, 134710, 148890, 173705, 188594, 202065, 208446, 282891, 347410, 404130, 471485, 521115, 565782, 660079, 942970, 1042230, 1320158, 1414455, 1980237, 2828910, 3300395, 3960474, 6600790, 9901185, 19802370]

約数ペア:

[(1, 19802370), (2, 9901185), (3, 6600790), (5, 3960474), (6, 3300395), (7, 2828910), (10, 1980237), (14, 1414455), (15, 1320158), (19, 1042230), (21, 942970), (30, 660079), (35, 565782), (38, 521115), (42, 471485), (49, 404130), (57, 347410), (70, 282891), (95, 208446), (98, 202065), (105, 188594), (114, 173705), (133, 148890), (147, 134710), (190, 104223), (210, 94297), (245, 80826), (266, 74445), (285, 69482), (294, 67355), (399, 49630), (490, 40413), (570, 34741), (665, 29778), (709, 27930), (735, 26942), (798, 24815), (931, 21270), (1330, 14889), (1418, 13965), (1470, 13471), (1862, 10635), (1995, 9926), (2127, 9310), (2793, 7090), (3545, 5586), (3990, 4963), (4254, 4655)]