19853670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 51068160

約数和(自身を除く): 31214490

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 61, 95, 114, 122, 183, 190, 285, 305, 366, 570, 571, 610, 915, 1142, 1159, 1713, 1830, 2318, 2855, 3426, 3477, 5710, 5795, 6954, 8565, 10849, 11590, 17130, 17385, 21698, 32547, 34770, 34831, 54245, 65094, 69662, 104493, 108490, 162735, 174155, 208986, 325470, 348310, 522465, 661789, 1044930, 1323578, 1985367, 3308945, 3970734, 6617890, 9926835, 19853670]

約数ペア:

[(1, 19853670), (2, 9926835), (3, 6617890), (5, 3970734), (6, 3308945), (10, 1985367), (15, 1323578), (19, 1044930), (30, 661789), (38, 522465), (57, 348310), (61, 325470), (95, 208986), (114, 174155), (122, 162735), (183, 108490), (190, 104493), (285, 69662), (305, 65094), (366, 54245), (570, 34831), (571, 34770), (610, 32547), (915, 21698), (1142, 17385), (1159, 17130), (1713, 11590), (1830, 10849), (2318, 8565), (2855, 6954), (3426, 5795), (3477, 5710)]