19807728

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 55413120

約数和(自身を除く): 35605392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 37, 38, 48, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 304, 444, 456, 587, 592, 703, 888, 912, 1174, 1406, 1761, 1776, 2109, 2348, 2812, 3522, 4218, 4696, 5624, 7044, 8436, 9392, 11153, 11248, 14088, 16872, 21719, 22306, 28176, 33459, 33744, 43438, 44612, 65157, 66918, 86876, 89224, 130314, 133836, 173752, 178448, 260628, 267672, 347504, 412661, 521256, 535344, 825322, 1042512, 1237983, 1650644, 2475966, 3301288, 4951932, 6602576, 9903864, 19807728]

約数ペア:

[(1, 19807728), (2, 9903864), (3, 6602576), (4, 4951932), (6, 3301288), (8, 2475966), (12, 1650644), (16, 1237983), (19, 1042512), (24, 825322), (37, 535344), (38, 521256), (48, 412661), (57, 347504), (74, 267672), (76, 260628), (111, 178448), (114, 173752), (148, 133836), (152, 130314), (222, 89224), (228, 86876), (296, 66918), (304, 65157), (444, 44612), (456, 43438), (587, 33744), (592, 33459), (703, 28176), (888, 22306), (912, 21719), (1174, 16872), (1406, 14088), (1761, 11248), (1776, 11153), (2109, 9392), (2348, 8436), (2812, 7044), (3522, 5624), (4218, 4696)]